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All Journal Jurnal Pendidikan Matematika dan IPA JBIO: jurnal biosains (the journal of biosciences) Jurnal Pelita Pendidikan EDUSAINS TABULARASA Biosfer: Jurnal Tadris Biologi Bioedukasi: Jurnal Pendidikan Biologi Journal of Biology Education Jurnal Pendidikan Biologi Jurnal Penelitian Pendidikan IPA (JPPIPA) BIOEDUKASI Biology Teaching and Learning Jurnal Pendidikan Matematika dan Sains BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Bio-Lectura JPBIO (Jurnal Pendidikan Biologi) Jurnal Review Pendidikan dan Pengajaran (JRPP) Majalah Ilmiah Warta Dharmawangsa Jurnal Pembelajaran dan Biologi Nukleus Bio-Inoved : Jurnal Biologi-Inovasi Pendidikan JPP (Jurnal Pendidikan dan Pembelajaran) JURNAL BIOSHELL Didaktika: Jurnal Kependidikan Bioscientist : Jurnal Ilmiah Biologi Continuous Education : Journal of Science and Research Britain International of Humanities and Social Sciences (BIoHS) Journal BIOCHEPHY: Journal of Science Education Inornatus: Biology Education Journal Jurnal Pendidikan dan Pembelajaran Mudabbir: Journal Research and Education Studies MASALIQ: Jurnal Pendidikan dan Sains Mamangan Social Science Journal Jurnal Pendidikan Indonesia (Japendi) Indonesian Research Journal on Education BIO-CONS: Jurnal Biologi dan Konservasi Jurnal Edukasi Biologi Jurnal Sains Student Research Cendikia Pendidikan Jurnal Pelita: Jurnal Pembelajaran IPA Terpadu Celebes Journal of Community Services Biodik: Jurnal Ilmiah Pendidikan Biologi

Hasruddin

Universitas Negeri Medan

Author-ID : 278279

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Other

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UJI COLIFORM DAN Escherichia coli PADA DEPOT AIR MINUM ISI ULANG DI KECAMATAN MEDAN DELI Maria Fransisca Zega; Hasruddin Hasruddin
JBIO: jurnal biosains (the journal of biosciences) Vol 4, No 1 (2018): Jurnal Biosains
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jbio.v4i1.8745

Penelitian ini bertujuan untuk mengetahui kualitas kelayakan air minum isi ulang pada depot air minum isi ulang di Kecamatan Medan Deli ditinjau dari keberadaan cemaran mikrobiologi Coliform dan Escherichia coli. Terdapat 6 sampel air minum isi ulang dalam penelitian ini. Keenam sampel tersebut diambil dari satu depot masing-masing dari 6 kelurahan di Kecamatan Medan Deli yaitu Kelurahan Kota Bangun, Mabar, Mabar Hilir, Tanjungmulia, Tanjungmulia Hilir dan Titipapan. Sampel diuji di Laboratorium Mikrobiologi Universitas Negeri Medan di Jl. Willem Iskandar, Kabupaten Deliserdang. Penelitian ini merupakan penelitian deskriptif. Perhitungan kelompok bakteri Coliform dan Escherichia coli menggunakan persamaan pada SNI 3554:2015 dengan dua uji yaitu uji sangkaan dan uji konfirmasi. Penentuan jumlah total bakteri Coliform dan Escherichia coli berdasarkan perhitungan per 100 ml sampel. Hasil penelitian menunjukkan bahwa dari 6 depot air minum isi ulang yang diuji selama 3 minggu, diketahui bahwa minggu pertama ditemukan 1 depot yang tercemar bakteri Coliform. Hal ini dibuktikan dengan ditemukannya 7 koloni berwarna merah dengan jumlah total koloni terduga bakteri Coliform adalah 6,36/100ml dan dikuatkan dengan uji konfirmasi yang menegaskan bahwa koloni terduga bakteri tersebut adalah positif Coliform. Sedangkan untuk minggu kedua dan ketiga keseluruhan depot bebas dari cemaran bakterii Coliform dan Escherichia coli sehingga layak untuk dikonsumsi.

ANALISIS KEMAMPUAN STEAM BERBASIS GENDER PADA MATERI ARCHAEBACTERIA DAN EUBACTERIA SISWA H Hasruddin; Evi Lestari
Jurnal Pelita Pendidikan Vol 8, No 3 (2020): Jurnal Pelita Pendidikan
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpp.v8i3.17236

This research aims to know the STEAM ability of students based on Archaebacteria and Eubacteria based on gender in SMAN 2 Percut Sei Tuan, to find out students' views on learning Archaebacteria and Eubacteria material with a scientific approach. The descriptive method in the study used a population of all students of class X Natural Sciences. The sample consisted of 50 male students and 50 female students by random sampling. Data collection using questionnaires and 10 essay questions. Data were analyzed using percentage techniques and differences in gender ability were performed t-test at a significance level of 5% aided by SPSS 24.0. The results showed the science ability of female students (78.67%)> male students (47.07%), th> tt, p 0.05. The ability of technology in female students (61.33%)> male students (47.00%), -th> -tt p 0.05. Engineering ability of female students (64.29%)> male students (50.00%), th> tt, p 0.05. Arts ability of female students (72.40%)> male students (65.00%), th> tt, p 0.05. Mathematical ability of female students (65.75%)> male students (56.25%), th> tt, p 0.05. There are differences in the STEAM ability of students, female students (70.60%) while male students (53.00%), -th> -tt, p 0.05. The views of female students are more positive than male students in learning Archaebacteria and Eubacteria material with a scientific approach.

THE DEVELOPMENT OF STUDENT WORKSHEET BASED CONTEXTUAL INQUIRY OF AQUATIC MICROBIOLOGY MATERIAL IN STUDENTS DEPARTMENT OF BIOLOGY EDUCATION Yusnita Anwar Nasution; Hasruddin Hasruddin; Tumiur Gultom
EDUSAINS Vol 10, No 1 (2018): EDUSAINS
Publisher : Faculty of Education and Teacher Training, UIN (State Islamic University) Syarif Hidayatul

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/es.v10i1.8124

PENGEMBANGAN LEMBAR KERJA MAHASISWA (LKM) BERBASIS INKUIRI KONTEKSTUAL MATERI MIKROBIOLOGI AIR PADA MAHASISWA PENDIDIKAN BIOLOGI AbstractThe study aims to determine: (1) The results expert material validation of worksheet that has been developed; (2) The results of design experts validation of worksheet that has been developed; (3) Response of lecturer of microbiology subject to worksheet that has been developed; (4) Perception of University of Medan Biology Education students to Worksheet that has been developed; (5) The eligibility of Worksheet for Biology Education students of State University of Medan. This development study uses a modified Borg & Gall model as needed to produce a product of a contextual inquiry-based worksheet. The results of material expert validation to microfinance based worksheet in context of water microbiology materials that have been developed with the feasibility of the contents show 93.75% included in the category of very good; Feasibility of presentation shows 91.44% included in the category of very good; The feasibility of the contextual inquiry component indicates 87.82% in the category of good good; The design validation results show that 89.06% percentage is included in the category of very good; The result of the assessment by the lecturer shows 93.75% is included in the category of very good; Individual tests show 86,66% included in the category of very good; Small group test showed 87.22% included in the category of very good; The test of the restricted group shows 91.12% included in the the category of very good. Test based on the data the product worksheet based on inquiry of contextual material of water microbiology which have been developed feasible to be used for student as worksheet in Microbiology course.AbstrakPenelitian ini bertujuan untuk mengetahui: (1) Hasil validasi ahli bahan lembar kerja yang telah dikembangkan; (2) Hasil validasi ahli desain lembar kerja yang telah dikembangkan; (3) Tanggapan dosen mata kuliah mikrobiologi terhadap lembar kerja yang telah dikembangkan; (4) Persepsi mahasiswa Pendidikan Biologi Universitas Medan terhadap Lembar Kerja yang telah dikembangkan; (5) Kelayakan Lembar Kerja untuk mahasiswa Pendidikan Biologi Universitas Negeri Medan. Studi pengembangan ini menggunakan model Borg & Gall yang dimodifikasi sesuai kebutuhan untuk menghasilkan produk dari lembar kerja berbasis inkuiri kontekstual. Hasil validasi ahli materi terhadap LKM berbasis microfinance dalam konteks bahan mikrobiologi air yang telah dikembangkan dengan kelayakan isinya menunjukkan 93,75% termasuk dalam kategori sangat baik; Kelayakan presentasi menunjukkan 91,44% termasuk dalam kategori sangat baik; Kelayakan komponen penyelidikan kontekstual menunjukkan 87,82% dalam kategori barang bagus; Hasil validasi desain menunjukkan bahwa 89,06% termasuk dalam kategori sangat baik; Hasil penilaian oleh dosen menunjukkan 93,75% termasuk dalam kategori sangat baik; Tes individu menunjukkan 86,66% termasuk dalam kategori sangat baik; Uji kelompok kecil menunjukkan 87,22% termasuk dalam kategori sangat baik; Tes kelompok terbatas menunjukkan 91,12% termasuk dalam kategori sangat baik. Uji berdasarkan data lembar kerja produk berdasarkan permintaan bahan kontekstual mikrobiologi air yang telah dikembangkan layak untuk digunakan untuk siswa sebagai lembar kerja di Mikrobiologi saja.

The Effect of Teaching Materials Based on Local Value Integrated by Character Education through PBL Models on Students' High Order Thinking Skill Khairil Hadi; Dazrullisa; Hasruddin; Binari Manurung
Britain International of Humanities and Social Sciences (BIoHS) Journal Vol 1 No 2 (2019): Britain International of Humanities and Social Sciences, October
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/biohs.v1i2.54

This study aims to know the effect of biology teaching materials based on local wisdom integrated character education through problem-based learning models on students' high order thinking skills. This study uses a quantitative approach and belongs to the type of quasi-experimental research. The research design is the one group’s pre-test-post-test design. The research sample consisted of 111 students from five schools in West Aceh. The data collection used a validation sheet of the lesson plan and high-level thinking test questions. Research data was analysed by statistical average values, normality, homogeneity, and paired sample t test. The research results indicated that the using of biology teaching materials based on local wisdom integrated with character education through problem based learning models has a very significant effect on students' high-level thinking (P=0.00). The instruction that used local wisdom, character education and PBL model have a positive role in the motivating of students, cooperation, discipline, fond of reading, student achievement, and problems solving in accordance with the expected learning outcomes.

TINGKAT KESUKARAN SOAL TES BERPIKIR TINGKAT TINGGI BERBASIS KEARIFAN LOKAL PADA MATERI KEANEKARAGAMAN HAYATI DI SMA khairil Hadi; Dazrullisa Dazrullisa; Binari Manurung; Hasruddin Hasruddin
Bio-Lectura : Jurnal Pendidikan Biologi Vol. 6 No. 2 (2019)
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/bl.v6i2.3565

Soal tes merupakan alat yang diperuntukkan untuk mengukur dan atau mengetahui keberhasilan proses pembelajaran. Soal yang baik akan menghasilkan hasil pengukuran yang tepat dan sebaliknya soal yang tidak baik akan menghasilkan hasil pengukuran yang kurang tepat dari tujuan yang telah ditentukan. Tujuan penelitian adalah untuk mengetahui tingkat kesukaran soal tes berpikir tingkat tinggi berbasis kearifan lokal pada materi keanekaragaman hayati. Penelitian ini menggunakan pendekatan kuantitatif dan sedangkan jenis penelitian adalah deskriptif. Populasi dalam penelitian ini adalah seluruh siswa kelas X dari 5 sekolah menengah atas di kabupaten Aceh Barat yang berjumlah 284 siswa. Sampel yang digunakan dalam penelitian sebanyak 111 yang berasal dari kelas X sains. Sampel ditentukan dengan menggunakan teknik pengambilan sampel random sampling. Instrumen yang digunakan adalah lembar tes pilihan ganda sebanyak 20 soal. Teknik analisis data yang digunakan adalah uji tingkat kesukaran soal. Setelah dilakukan analisis data, kemudian data di intepretasikan dalam bentuk kata-kata, yaitu sukar (P < 0,3), Sedang (0,3 ≤ p ≤ 0,7), dan mudah (P > 0,7). Hasil analisis data menunjukkan bahwa soal yang berkriteri sukar 5 soal, berkriteria sedang 10 soal, dan berkriteria mudah 5 soal dengan perbandingan persentase 25:50:25. Hasil penelitian juga menunjukkan bahwa level taksonomi bloom tidak berpengaruh terhadap kategori soal tersebut mudah, sukar, dan sedang

KEMAMPUAN LITERASI MATERI SISTEM GERAK SISWA SMA PADA MASA PANDEMI COVID-19 Novi Ayu Pakpahan; Hasruddin Hasruddin
Jurnal Review Pendidikan dan Pengajaran (JRPP) Vol. 4 No. 1 (2021): Volume 4 Nomor 1 Tahun 2021
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v4i1.1748

Penelitian ini bertujuan untuk mengetahui kemampuan literasi materi sistem gerak siswa SMA pada masa pandemi covid-19. Populasi penelitian ini adalah seluruh siswa kelas XI MIA yang berjumlah 301 siswa dari 9 kelas. Sampel yang digunakan untuk penelitian diambil dengan menggunakan random sampling sebanyak 166 siswa. Jenis penelitian ini adalah deskriptif kuantitatif. Data dianalisis dengan rumus deskriptif persentase. Instrumen penelitian yang digunakan adalah tes literasi biologi berbentuk soal pilihan berganda berjumlah 50 soal yang terdiri dari aspek konten, konteks, dan kompetensi sains, sedangkan untuk aspek sikap sains menggunakan instrumen angket (kuisioner) berjumlah 20 pernyataan yang di uji validitas dan reliabilitasnya. Hasil penelitian ditemukan bahwa kemampuan literasi sains siswa aspek konten terlebih di masa pandemi covid 19 ini, berdasarkan hasil yang didapat, kemampuan literasi sains siswa pada aspek konten secara keseluruhan sebesar 49,03% dengan kategori ketercapaian â€œsangat kurangâ€ sedangkan persentase kemampuan literasi sains siswa pada aspek konteks secara keseluruhan sebesar 48,14% dengan kategori ketercapaian â€œsangat kurangâ€ dan aspek kompetensi secara keseluruhan sebesar 44,18% dengan kategori ketercapaian â€œsangat kurangâ€.

Gender Differences Regarding the Ability to Think Critically in High School Biology Subjects during the Covid-19 Pandemic Siti Chaliza Harun; Hasruddin Hasruddin
BIO-INOVED : Jurnal Biologi-Inovasi Pendidikan Vol 3, No 3 (2021): October 2021
Publisher : Master Program of Biology Education, Universitas Lambung Mangkurat

The ability of critical thinking is very important to have. If the students have an ability of critical thinking, they students can solve the problems that facing them on the lesson study especially biology. This study aims to determine students critical thinking skills based on the gender of high school biology subjects during the Covid-19 pandemic. The data were analyzed descriptively with a quantitative approach. The population in this study was all students of class XII science high school. The sample of this research was taken by simple random sampling by means of lottery as many as 35 students. The results showed that the average value of women’s critical thinking skills was 77 and was in the medium criteria. While the average value of male critical thinking skills is 64 and is in the low criteria. It can be concluded that the ability to think critically based on gender is higher for female students than male students. From the test result show the value of sig. (2-tailed) obtained t count of 2.118 sig at 0.042 which means that there is a significant difference in critical thinking ability of male and female students.Abstract Kemampuan berpikir kritis sangat penting dimiliki. Jika siswa sudah memiliki kemampuan berpikir kritis, siswa dapat memecahkan persoalan-persoalan yang dihadapi dalam pelajaran terutama dalam pelajaran Biologi. Penelitian ini bertujuan untuk mengetahui kemampuan berpikir kritis siswa berdasarkan gender mata pelajaran biologi SMApada masa pandemi covid 19. Data dianalisis secara deskriptif dengan pendekatan kuantitatif. Populasi dalam penelitian ini adalah seluruh siswa kelas XII IPA SMA. Sampel penelitian ini diambil secara simple random sampling dengan cara undian sebanyak 35 siswa.Hasil penelitian menunjukkan bahwa rata-rata nilai kemampuan berpikir kritis perempuan 77 dan berada pada kriteria sedang. Sementara rata-rata nilai kemampuan berpikir kritis laki-laki 64 dan berada pada kriteria rendah. Maka dapat disimpulkan bahwa kemampuan berpikir kritis berdasarkan gender lebih tinggi siswa perempuan daripada siswa laki-laki. Dari hasil pengujian menunjukkan nilai sig. (2-tailed) diperoleh t hitung sebesar 2,118 sig pada 0,042 yang artinya terdapat perbedaan yang signifikan kemampuan berpikir kritis pada siswa laki-laki dan perempuan.

THE EFFECTIVENESS OF THE USE OF DIGITAL TEXBOOKS ON THE EVALUATION OF BIOLOGY LEARNING COURSE ON PORTFOLIO ASSESSMENT MATERIALS Hasruddin Hasruddin; Aryeni Aryeni; Widya Arwita
BIOEDUKASI Vol 20 No 2 (2022)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v20i2.28099

Portfolio-based research is an important and inseparable part of the various skills that prospective biology teacher students need to possess. This development research using the ADDIE Model involved 92 students as research subjects, and 3 lecturers who were in charge of the Biology Learning Evaluation course. Subjects were determined by purposive sampling technique. Data related to the readiness of portfolio development in digital textbooks were used in questionnaires, and data related to portfolio-based assessment abilities were used, and were complemented by in-depth interviews with the lecture team of lecturers. Furthermore, the data were analyzed using the percentage technique to see the tendency of the respondent's condition. The results of the study found that 87.76% of respondents said that the portfolio material in textbooks was effective to be taught to prospective biology teacher students or in the very good category. The results of the evaluation of the portfolio-based assessment ability are included in the very good category as much as 72.41% and in the good category as much as 27.59%.

The Science Process Skills Of Biology Science Learning In State Junior High Schools In Percut Sei Tuan District Deliserdang Regency Sri Susanti; Syahmi Edi; Hasruddin Hasruddin
Jurnal Pendidikan Indonesia Vol. 2 No. 05 (2021): Jurnal Pendidikan Indonesia (Japendi)
Publisher : Publikasi Indonesia

This study aimed to analyze the science process skills of a scientific approach in the learning process of biology in State Junior High Schools in Percut Sei Tuan, Deli Serdang. This method applied a descriptive study with a qualitative approach. The population was all students consisting of 8 public schools in State Junior High Schools of Percut Sei Tuan for the academic year of 2020/2021. Samples were taken from 180 eighth-grade students from 5 schools in Percut Sei Tuan by using purposive sampling. To obtain the data, the description test was used as an instrument to measure students'' science process skills with indicators such as observing, classifying, interpreting, predicting, hypothesizing, planning experiments, applying concepts, and communicating in biology learning. The results on science process skills in the biology learning of plant structure and function material were categorized as good with a mean score of 72.06 and the highest indicator for observing obtained a mean score of 82.77 with a very good category and the lowest indicator for communicating obtained a mean score of 64.58 with a good category.

An Analysis of Students’ Learning Styles on Microbiology Lectures in the New Normal Era Roberi Sepda Fian Sinaga; Hasruddin Hasruddin; Fauziyah Harahap
Jurnal Pendidikan Indonesia Vol. 2 No. 07 (2021): Jurnal Pendidikan Indonesia (Japendi)
Publisher : Publikasi Indonesia

The aim of this study was to analyze the learning styles on microbiology lectures for students in the new normal era. This study was a non-experimental with quantitative data. The population were all the third semester students majoring in Biology, Universitas Negeri Medan who studied microbiology consisting of 6 classes totaling 180 people. The sample consisted of 3 classes of 60 people who were taken randomly using random sampling technique. The data analysis technique was carried out using inferential statistics. The results showed that students’ visual learning style obtained 71%, audio learning style obtained 64% in the good category and kinesthetic learning style obtained 63% were all in the good category. Of the three learning styles, the highest percentage was found in the visual learning style.

Co-Authors Adi Hartono Afriani, Dwi Tika Afriani, Dwi Tika Aida Fitriani Sitompul Ainur Rofieq Al Hasanah, Lia Albert D Situmorang Amrizal Amrizal Anak Agung Istri Sri Wiadnyani Anni Erlina Batubara, Anni Erlina Arda, Gladys Mutia Aryeni Aryeni Aryeni Aryeni, Aryeni Ashar Hasairin Asih, Asti Dwi Askali, Nor-Aida Ayu Wulandari Bella Junniar, Amanda Binari Manurung Binari Manurung Binari Manurung, Binari Chastanti, Ika Cut Badzlina Roza, Cut Badzlina Dalimunthe, Rizka Ramadani Daulae, Abdul Hakim Dazrullisa, Dazrullisa Dian Arisetya, Dian Diana Buulolo Dionesa, Joyce Basana Ditania Larasati Eko Prasetya Eko Prasetya, Eko Elsa Bunga Dayanti, Elsa Bunga Ely Djulia Endang Sulistyarini Gultom Evi Lestari Fathur Rahmi Fauziyah Harahap Fauziyah Harahap Fauziyah Harahap Fenny Mustika Piliang, Fenny Mustika Fian Sinaga, Roberi Sepda Fitriana Siregar, Fitriana Gaol, Pelita Lumban Gultom, Novayanti Hasanah, Lia Al Hasmi Syahputra Harahap, Hasmi Syahputra Herbert Sipahutar Huda, Atok Miftachul Huda, Atuk Miftachul Husna, Raudhatul Intan Bayati Nasution, Intan Bayati Irmayanti Irmayanti, Irmayanti Juliani Kartika Kartika Khairil Hadi Khairunnisa Asnila Lubis, Khairunnisa Asnila Lasrini Lasrini Limbong, Forentina Lisa Nurjannah M Imran Hasanuddin Mahmud Mahmud Mahmud Mahmud Mahmud Mahmud Maria Fransisca Zega Masdiana Sinambela Melva Silitonga Mira Rangkuti, Sailana Mufti Sudibyo, Mufti Muhammad Ridho Nabila Halim Nasution Nanda Pratiwi Nasution, Marina Azzahra Naura Kamila Manik , Aryediatami Novi Ayu Pakpahan Nuzalifa, Yossie Ulfa Oktavia, Dhea Panggabean, Nurul Hikmah Portuna, Dewi Purnama, Dirga Purnama, Dirga Rahayu, Ari Ramayanti Rahmat Mulyana Ramadhana, Novia Putri Rangkuty, Sailana Mira Rega A Rastanura Sembiring Milala Rena Mahriani Nasution Restuati, Martina Rezeqi, Salwa Ribut Wahyu Eriyanti Rizal Mukra Roberi Sepda Fian Sinaga Sagala, Nur’aini Sailana Mira Rangkuty Saragih, Azra Nabila Sarimuti, Dea Shofia Lubis, Shofia Sihombing, Rizky Agassy Simorangkir, Sofia Dahlia Sinaga, Ika Aprilita Siti Chaliza Harun Situmorang, Albert D Situmorang, Berri Sobirin Sobirin Sofia Sofia, Sofia Sri Rahmadani Harahap, Sri Rahmadani Sri Susanti Sri Susanti Sueng, Yuliani Sulfianna, Sulfianna Sumarno . Susanti, Revi Syahmi Edi Syahriani, Alica Tiarma Ayu Lestari Matondang Tumiur Gultom Tumiur Gultom Widia Ningsih Widia Ningsih Widya Arwita Wulan, Putri Yusnita Anwar Nasution Yustiningsih, Nurul

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