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Online Performance Assessment Based on Science Process Skills and Collaboration Skills in Islamic Religious Higher Education Latifah, Sri; Suryani, Yani; Sharov, Sergii
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 13 No 1 (2024): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v13i1.14486

Abstract

4C skills (critical thinking, creativity, collaboration, communication) are essential in modern education. The existing assessment instruments are not fully integrated with technology. This research develops technology-based instruments to assess 4C skills.This study aims to determine experts' opinions on the feasibility and practicality of an online performance assessment instrument based on science process skills and collaboration skills. The research used the Research and Development method with the ADDIE development model. The subjects of the study were students from UIN Raden Intan Lampung, UIN Walisongo, and IAIN Cirebon with 60 students. The data collecting techniques used were questionnaires for expert validation on the content and language of the questions. The researcher also distributed questionnaires to the students. The findings of this study are 1) the final product meets the high feasibility criteria with a percentage of 88% for the content aspect and 86% for the language aspect, 2) the practicality of the product meets the excellent criteria, and 3) the response of the teachers indicates that the product is highly feasible. As a physics learning product in laboratory activities, the online performance assessment instrument with science process skills and collaboration skills is suitable and practical to use. It is recommended for other researchers to utilize other online platforms and instruments to measure other skills
Kemandirian Belajar Fisika pada Peserta Didik dengan Pembelajaran Berbasis Proyek Puspitasari, Reni Dwi; Latifah, Sri; Wati, Widya; Yana, Elsy Tri
Indonesian Journal of Science and Mathematics Education Vol. 1 No. 1 (2018): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v1i1.2461

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Abstarct:This study aims to 1) Know the effects of project-based learning on the independence of physics learning, 2) To know how much influence of project-based learning on the independence of physics learning. The type of research used is Quasi Eksperimen method using experiment and control group. The population of this study were all students of class X, Samples taken with Simple Random Sampling technique, students of class X Tkj1 as control class and class X Tkj2 as experimental class. data collection instruments used in the form of tests, questionnaires, observations and documentation. The results of research are; 1) The effect of project-based learning on the independence of learners, 2) The magnitude of the influence of project-based learning on the independence of learning based on the analysis of the independence test questionnaire data in the experimental class with the average total of 76% and the control class the average total number of 60% including the moderate category. test Hypothesis of control class and experimental class calculation result of tcount 2,357 and ttabel 1,697, it can be concluded that the influence of self-reliance learning physics on learners SMK N 7 by using project-based learning. After this learning is expected learners more easily understand the material and can create new business field.  Abstrak: Penelitian ini bertujuan untuk 1), Mengetahui pengaruh pembelajaran  berbasis proyek terhadap kemandirian belajar fisika,2) Mengetahui seberapa besar pengaruh pembelajaran berbasis proyek terhadap kemandirian belajar fisika. Jenis penelitian yang digunakan adalah metode  Quasi Eksperimen dengan menggunakan kelompok eksperimen dan kontrol. Populasi  penelitian ini adalah seluruh peserta didik kelas X, Sampel yang di ambil  dengan teknik Simple Random Sampling, peserta didik kelas X Tkj1  sebagai kelas kontrol dan kelas X Tkj2 sebagai kelas eksperimen. instrumen pengumpulan data yang digunakan berupa tes,  angket, observasi dan dokumentasi. Hasil penelitian  adalah; 1) Adanya pengaruh pembelajaran berbasis proyek terhadap kemandirian peserta didik, 2) Besar pengaruh pembelajaran berbasis proyek terhadap kemandirian belajar berdasarkan analisis data nilai angket kemandirian pada kelas eksperimen dengan jumlah total rata-rata 76% dan pada kelas kontrol jumlah total rata-rata 60% termasuk kategori sedang. uji Hipotesis  hasil perhitungan kelas kontrol dan kelas eksperimen sebesar  thitung  2,357 dan ttabel 1,697, dapat disimpulkan bahwa adanya pengaruh kemandirian belajar fisika pada peserta didik SMK N 7 dengan menggunakan pembelajaran berbasis proyek. Setelah pembelajaran ini diharapkan peserta didik lebih mudah  memahami materi dan dapat menciptakan lapangan usaha baru. 
Efektivitas Metode Pembelajaran Quantum Learning terhadap Kemampuan Berpikir Tingkat Tinggi Peserta Didik Kelas X MA Nurul Islam Gunung Sari Ulubelu Tanggamus Saputro, Trimo; Latifah, Sri
Indonesian Journal of Science and Mathematics Education Vol. 1 No. 2 (2018): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v1i2.2770

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Abstract: The purpose of this study is to determine the effectiveness of physics learning by using the method of learning quantum learning to the ability of high-level thinking of learners. This research is a kind of quasy experiment research. Sampling technique is done with porposive sampling technique. To measure and know the ability of high-level thinking learners are tested with essay problem amounting to 8. The result of analysis stated that there is difference of mean of high level thinking ability of learners using quantum learning method with direct learning. This is evidenced from the acquisition of sig value of 0.02 which means the value of sig less than 0.05 which means the average posttest of the experimental class is not equal to the mean value of the control class posttest. Then it can be concluded that, the study of physics with the method of quantum learning more Effective against high-order thinking skills. The effectiveness of quantum learning method can be known from the value of the effect size obtained by 0.2 included in the medium category. This means that the quantum learning method influences the ability of high-level thinking on the subjects of physics learners class X. Abstrak: Tujuan  penelitian ini adalah untuk mengetahui efektivitas pembelajaran fisika dengan  menggunakan  metode pembelajaran quantum learning terhadap kemampuan berpikir tingkat tinggi peserta didik. Penelitian ini merupakan jenis penelitian quasy experimen. Teknik pengambilan sampel dilakukan dengan teknik purposive sampling. Untuk mengukur dan mengetahui kemampuan berpikir tingkat tinggi peserta didik dilakukan  tes dengan soal essay berjumlah 8. Hasil analisis menyatakan bahwa terdapat perbedaan rata-rata kemampuan berpikir tingkat tinggi peserta didik  menggunakan metode quantum learning dengan pembelajaran langsung. Hal ini dibuktikan dari perolehan nilai sig sebesar 0,02 yang berarti nilai sig kurang dari 0,05 yang artinya rata-rata posttest kelas eksperimen tidak sama dengan nilai rata-rata posttest kelas kontrol. Maka dapat disimpulkan bahwa, pembelajaran fisika dengan metode quantum learning lebih efektif terhadap kemampuan berpikir tingkat tinggi. Keefektifan metode quantum learning dapat diketahui dari nilai effect size yang diperoleh sebesar 0,2 termasuk dalam kategori sedang. Artinya metode quantum learning berpengaruh terhadap kemampuan berpikir tingkat tinggi pada mata pelajaran fisika peserta didik kelas X.
Video Pembelajaran Berbasis Problem Solving Terintegrasi Chanel Youtube: Pengembangan pada Materi Cahaya Kelas VIII SMP Suratun, Suratun; Irwandani, Irwandani; Latifah, Sri
Indonesian Journal of Science and Mathematics Education Vol. 1 No. 3 (2018): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v1i3.3602

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Abstract: This study aims to produce video-based learning problem solving integrated chanel youtube light material that meets the criteria worthy .. The method used is research and development (Research and Development) which adopted from Borg and Gell where researchers took 7 stages from 10 stages which exists . This research was conducted at SMPN in Bandar Lampung, SMPN 13 Bandar Lampung, SMP Wiyatama, MTSN 1 Bandar Lampung and data collection used in this research is questionnaire given to media expert, material expert, class teacher, and student of class VIII . The type of data produced is qualitative data and quantitative data to determine the feasibility of the product. Research and development produce a valid problem-based learning video solving to be used based on the assessment of (1) the expert media validator obtains an assessment of 73.70% (2) the material expert validator obtains assessment 77.78% (3) assessment of the teacher obtained an assessment of 81.85%. Assessment of student responses on student trial conducted with small group obtained percentage value of 76,67% and uiji field trial from each school (I) 77,51%, school (II) 82,37%, school (III) 77,55% which means that the media can be accepted by students. Abstrak  :Penelitian ini bertujuan untuk Untuk menghasilkan video pembelajaran berbasis problem solving  terintegrasi chanel youtube materi cahaya yang memenuhi kriteria layak..Metode yang digunakan adalah penelitian dan pengembangan (Research and Development) yang mengadopsi dari Borg and Gell dimana peneliti mengambil 7 tahap dari 10 tahapan yang ada . Penelitian ini dilakukan di SMPN yang ada di Bandar Lampung yaitu, SMPN 13 Bandar Lampung, SMP Wiyatama, MTSN 1 Bandar Lampung dan pengumpulan data yang digunakan dalam penelitian ini berupa angket yang diberikan kepada ahli media, ahli materi, guru kelas, dan siswa kelas VIII . Jenis data yang dihasilkan adalah data kualitatif dan data kuantitatif untuk menentukan kelayakan produk.Penelitian dan pengembangan menghasilkan video pembelajaran berbasis problem solving  yang valid untuk digunakan berdasarkan penilaian dari (1) validator ahli media memperoleh penilaian 73,70% (2) validator ahli materi memperoleh penilaian 77,78% (3) penilaian guru memperoleh penilaian 81,85% . Penilaian respon siswa pada uji coba siswa yang dilakukan dengan kelompok kecil memperoleh nilai persentase 76,67% dan uiji coba lapangan dari masing-masing sekolah (I)77,51%, sekolah (II) 82,37%, sekolah (III) 77,55% yang berarti bahwa media dapat diterima oleh siswa.
Pengembangan Bahan Ajar Interaktif Berbasis Media Sosial Schoology Latifah, Sri; Utami, Ardini
Indonesian Journal of Science and Mathematics Education Vol. 2 No. 1 (2019): Indonesia Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v2i1.3924

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Abstract:This study aims:(1) to find out the feasibility of interactive physics teaching materials based on schoology social media, (2) to find out theresponse of students to the attractivenessinteractive physics teaching materials based on schoology social media that has been developed. This study is a Research andDevelopment (R and D) using Borg and Gall’s procedure. This research was carried out at SMAYP UnilaBandar Lampung, SMA N1 Bukit Kemuning, andSMA N 7 Bandar Lampung with research objects were students of class XI. The results of the validation from material experts, media experts and technology experts showed very decent results with the presentations reaching 83.25%. Then the teaching materials were tested through 2 steps, namely small trials and field trials. The average results obtained were 84,93% for small group trials and 81.29% for field trials at SMA YP Unila Bandar Lampung, SMA N 1 Bukit Kemuning andSMA N 7 Bandar Lampung, so interactive physics teaching materials based on social media schoology from the three schools has very interesting criteria.Abstrak:Penelitian ini bertujuan untuk:(1) mengetahui kelayakan bahan ajar fisika interaktif berbasis media sosial schoology,(2) mengetahui respon peserta didik terhadap kemenarikan bahan ajar fisika interaktif berbasis media sosial schoology yang telah dikembangkan.Penelitian ini merupakan penelitian pengembangan atau Research and Development (R and D) dengan menggunakan prosedur Borg and Gall. Penelitian ini dilaksanakan di SMA YP Unila Bandar Lampung, SMA N 1 Bukit Kemuning, danSMA N 7 Bandar Lampung dengan objek penelitian adalah peserta didik kelas XI.  Hasil validasi dari ahli materi, ahli media dan ahli teknologi menunjukkan hasil sangat layak dengan presentasi mencapai 83,25%.Kemudian bahan ajar di uji coba melalui 2 tahap yaitu uji coba kecil dan uji coba lapangan. Hasil rata-rata yang diperoleh yaitu 84,93% untuk uji coba kelompok kecil dan 81,29% untuk uji coba lapangan di SMA YP Unila Bandar Lampung, SMA N 1 Bukit Kemuning dan SMA N 7 Bandar Lampung, sehingga bahan ajar fisika interaktif berbasis media sosial schoology dari ketiga sekolah tersebut memiliki kriteria sangat menarik.
Pengembangan Projectile Launcher Sebagai Alat Praktikum Sederhana Fisika pada Materi Gerak Parabola Salam, Badru; Latifah, Sri
Indonesian Journal of Science and Mathematics Education Vol. 2 No. 2 (2019): Indonesia Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v2i2.4323

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Abstract:This research is a development research that aims to produce media product projectile launcher as a simple practical tool of physics on parabolic motion material and to know the feasibility of media projectile launcher as a simple practical tool of physics on parabolic motion material. Problems in this research, among others, is how to develop projectile launcher as a simple practical tool of physics on parabolic motion material and how is the response of learners to media projectile launcher as a simple physics practicum tool on parabolic motion material. . Subjects in this study are class IX SMA N 1 Way Tenong and SMA N 2 Way Tenong. This research is a development research using Research and Development (R and D) research method that adopt the development of Borg and Gall that has been modified by sugionoProducts are categorized very feasible based on the validation of material experts with 100% percentage and based on the validation of media experts with a percentage of 100% , as well as Projectile Launcher media are very interesting to be used as teaching materials based on teacher's assessment to get 100% score percentage and student's response in limited group trial to get 95% percentage score for SMA N 1 Way Tenong and 92% for SMA N 2 Way Tenong.Abstrak:Penelitian ini merupakan penelitian pengembangan yang bertujuan untuk menghasilkan produk media projectile launcher sebagai alat praktikum sederhana fisika pada materi gerak parabola dan untuk mengetahui kelayakan dari media projectile launcher sebagai alat praktikum sederhana fisika pada materi gerak parabola. Masalah dalam penelitian ini antara lain bagaimanakah mengembangkan projectile launcher sebagai alat praktikum sederhana fisika pada materi gerak parabola dan bagaimanakah respon peserta didik terhadap media projectile launcher sebagai alat praktikum sederhana fisika pada materi gerak parabola. . Subjek dalam penelitian ini adalah kelas IX SMA N 1 Way Tenong dan SMA N 2 Way Tenong. Penelitian ini merupakan penelitian pengembangan menggunakan metode penelitian Research and Development (R and D) yang mengadopsi pengembangan dari Borg and Gall yang telah dimodifikasi oleh sugionoProduk yang dihasilkan berkategori sangat layak berdasarkan validasi dari ahli materi dengan presentase 100% dan berdasarkan validasi dari ahli media dengan presentase 100%, serta mediaProjectile Launchersangatmenarikuntukdijadikanbahanajarberdasarkanpenilaiangurumemperolehpresentaseskor100% dan respon peserta didik pada uji coba kelompok terbatas memperoleh skor presentase 95% untuk SMA N 1 Way Tenong dan 92% untuk SMA N 2 Way Tenong
Pengembangan Media Pembelajaran Fisika Menggunakan Sparkol Videoscribe Pratiwi, Erlia Dwi; Latifah, Sri; Mustari, Mukarramah
Indonesian Journal of Science and Mathematics Education Vol. 2 No. 3 (2019): Indonesia Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v2i3.4355

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Abstract: This research aims to; 1) the development of media physics-based sparkol videoscribe subject kinematic motion in college 2) Determine the feasibility of a medium of learning physics-based sparkol videoscribe subject of kinematics motionin college. This study is a R and D are adopting development of Borg and Gall. Subjects in this study were students and faculty at State Islamic University and the University of Muhammadiyah Metro Lampung with data collection instruments used in the form of a questionnaire given to media experts, subject matter experts, questionnaire responses of faculty and student questionnaire responses to determine the interest in learning media are developed. The type of data that is generated is qualitative data were analyzed with the guidelines the assessment criteria for determining the quality of the product. The results of this study are; 1) Generate product in the form of instructional media sparkol videoscribe physics-based motion kinematics subject in college; 2) know of quality product that has been developed is very feasible with a percentage of 86.70% based on the assessment of media experts and 84.26% by a subject matter expert in the category of very decent Response lecturer with the percentage was 93.60% in the category of very decent and student responses on physics-based learning media sparkol subject videoscribe kinematic motion with the percentage of 96.00% in college.Abstrak: Penelitian ini bertujuan untuk; mengembangkan dan mengetahui kelayakan media pembelajaran fisika berbasis sparkol videoscribe pokok bahasan kinematika gerak di perguruan tinggi. Penelitian ini merupakan penelitian R and D yang mengadopsi pengembangan dari Borg and Gall. Subjek dalam penelitian adalah dosen dan mahasiswa Universitas Islam Negeri Lampung dan Universitas Muhammadiyah Metro dengan instrumen pengumpulan data yang digunakan berupa angket yang diberikan kepada validator ahli, dosen dan mahasiswa. Jenis data yang dihasilkan adalah data kualitatif yang dianalisis dengan pedoman kriteria penilaian untuk menentukan kualitas produk. Hasil penelitian ini adalah; Menghasilkan media pembelajaran dan mengetahui kualitas produk yang telah dikembangkan 86,70% penilaian ahli media kategori sangat layak, 84,26% ahli materi kategori sangat layak, 93,60% respon dosen kategori sangat layak dan 96,00% respon mahasiswa kateori sangat layak pada media pembelajaran fisika berbasis sparkol videoscribe pokok bahasan kinematika gerak di perguruan tinggi. 
Higher Order Thinking Skills (HOTS)-Based Students’ Worksheets in Thermodynamics Materials Nadhiroh, Nuraini; Latifah, Sri
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 1 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i1.6082

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This study aims to produce a Higher Order Thinking Skills (HOTS)-based Student Worksheet on Thermodynamic Material and determine the feasibility of the product. The method used is Research and Development (R andD). Product validation was carried out by 2 material expert and 2 media expert. The study was conducted at SMAN 1 Sukoharjo, SMAN 1 Adiluwih, MA Ma'arif Keputran with the research subjects are students in grade XI. Data collection was carried out using a non-test instrument in the form of a questionnaire. The rating scale uses a Likert scale, 5 highest values to 1 lowest value. The results of the material expert validation were 92% with the Very Eligible criteria and the media expert was obtained 100% with the Very Eligible criteria. LKPD was tested through 2 stages, small group trials and field trials. The results obtained were 73% for small group trials, 89% for field trials. So that the HOTS-based LKPD is feasible to use with good interpretation. 
Problem Based Learning (PBL) Model: Its Effect in Improving Students’ Critical Thinking Skill Aini, Dora; Latifah, Sri; Hamid, Abdul
Indonesian Journal of Science and Mathematics Education Vol. 4 No. 2 (2021): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v4i2.8660

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This study aims to determine the effectiveness of the Problem Based Learning (PBL) model on the critical thinking skills of 7th-grade students of SMP Negeri 34 Bandarlampung (Public Senior High School 34 Bandarlampung). This quasi-experiment involved 2 groups of students, totaling 28 students for the Experimental class and 26 students for the Control class. Data collection was obtained by using an essay test instrument which was presented in the pretest and posttest. Based on the research results, it is known that the posttest results of the experimental class are 78.82, and the results of the control class are 74.07. The data were then analyzed by independent sample t-test and obtained tcount (2.213) greater than ttable (2.007). The effectiveness of the Problem Based Learning (PBL) model was tested with the effect size test, the results showed a number of 0.2 with a low category. So, it can be concluded that the Problem Based Learning (PBL) model has an effect on increasing students’ critical thinking skills but with low effectiveness.
Reciprocal Teaching Learning: Is it Effective to Improve Students’ Higher Order Thinking Skills and Scientific Process Skills? Hidayah, Rofiatul; Latifah, Sri; Komikesari, Happy; Yusuf, Irwan
Indonesian Journal of Science and Mathematics Education Vol. 4 No. 1 (2021): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v4i1.8675

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This study aimed to measure the effectiveness of using the reciprocal teaching learning model on the higher order thinking skills and science process skills of students. The research method used is a Quasi Experiment. Based on the results of the research calculated by the independent sample t-test from the post-test results of the control class of 66.97 and the experimental class of 77.71, it was obtained tcountmore than ttable (10.167 more than  1.996) and the percentage of observation results from the control class average of 73 and the mean The experimental class average is 76, so that the tcount value is greater than the ttable ((3.656 more than 1.996). Then the effectiveness of the reciprocal teaching model is known through the effect size test and the value of d = 0.5 is obtained. Based on these results, it can be concluded that the reciprocal model This teaching is effective in improving higher order thinking skills and science process skills.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Hamid ABDUL HAMID Aini, Dora Ajo Dian Yusandika Alfin Auliya Allikha Ade Kesuma Alpi Fajarno Andri, Elyza Anggraeni, Yanda Meilya Anggraeni, Yanda Meilya Anisa, Nava Antomi Saregar Anton Tri Hasnanto Ardian Asyhari Ardini Utami Ayu Reza Ningrum Azzahra, Tary Badru Salam Bangun Sasmiyati Bella, Diana Okta Damayanti, Elok Devi Kurniawati Dora Aini Dwi Fujiani Dyah Kusuma Wardhani Elsy Tri Yana Erlia Dwi Pratiwi Febrianti, Vika Fujiani, Dwi Fujiani, Dwi Gaol, Hot Rafima Lumban Happy Komikesari Hasan Sastra Negara Hidayah, Rofiatul intan permata sari Iqbal, Muhammad Irwan Yusuf Irwan Yusuf, Irwan Irwandani Irwandani Kesuma, Allikha Ade Lili Tansliova Lisinus, Rafael M. Rifai M. Rifatul Ickram M. Sayyidul Abrori Malik, Safira Lusiana Marinda Marito, Yeni Mayza Putri Adha, Mayza Putri Megawati Ridwan Fitri Meisita Sari Meisita Sari, Meisita Meisuri Mery Kusyeni Mukarahmah Mustari Mukarramah Mustari Mukarramah Mustari, Mukarramah Muzannur Muzannur Muzannur, Muzannur Muzannur, Muzannur Nadhiroh, Nuraini Novita, Ayu Nur Hidayah Nuraini Nadhiroh Nuraisyah Nuraisyah Nurisya, Nurisya Pratiwi, Erlia Dwi Rahma Diani Rahma Diani Rahma Diani, Rahma Rambe, Sri Rahayu Raprika Dwi Lianda Ratu Dwi Gustia Rasyidi Reni Dwi Puspitasari Reni Dwi Puspitasari Rita Nur Anjani Rizki Muhamad Sidik Rofiatul Hidayah Sabilatul Khoiriyah Sagala, Eva Febriana Salam, Badru Sari, Nur Rita Sera Okta Pela Sharov, Sergii Sipayung, Santi Rivana Sodikin Sodikin Suratun Suratun Suratun Suratun Syarifuddin Basyar Trimo Saputro Utami, Ardini Utari, Rahma Dita Dwi Vandan Wiliyanti Vina Agestiana Widayanti Widayanti Widayanti Widayanti Widya wati Widya Wati Yana, Elsy Tri Yana, Elsy Tri Yanda Meilya Anggraeni Yani Suryani Yani Suryani Yuberti