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Lufri Lufri

Biology Education Program Of FMIPA Universitas Negeri Padang

Author-ID : 309288

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

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Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Bermuatan Pendidikan Karakter Pada Materi Sistem Ekskresi Kelas XI SMA Siti Khodizah; Lufri Helendra; Relsas Yogica
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 17, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v17i1.16109

The purpose of this study was to determine the level of validity and practicality of the LKPD containing character education in the excretory system material for class XI SMA. This type of research is development research using the ADDIE development model which consists of 5 stages of activities, namely analysis, design, develop, implementation, and evaluation.The subjects of this study were 2 lecturers and a biology teacher as validators, as well as 17 students of class XII science at SMAN 11 Sijunjung. The instrument used in this study was a product validity and practicality sheet. The data obtained from the results of validity and practicality were analyzed by descriptive statistics. The validity results show a value of 96.85% with very valid criteria and a practicality value of 87.40% with very practical criteria. So, it can be concluded that the LKPD containing character education in the excretory system material for class XI SMA is valid and practical.

Effect of Active Learning in Form of Scientific Approach with Assistance of Student Worksheets Based Problem Based Learning (PBL) Towards Students Biology Psychomotor Competence in Bacterial Material Lufri Lufri; Fitria Laili; Azwir Anhar
Journal of Educational Sciences Vol 4, No 1: January 2020
Publisher : Universitas Riau

In the 2013 curriculum, students are demanded to be active in learning process. To actualize it, teacher should has adequate ability and skills by implementing appropriate learning model in teaching. Purpose of the research was to know effect of Active Learning in form of scientific approach with assistance of student worksheets based Problem Based Learning to wards students' Biology competence in Bacterial material. The research method used a quasi experimental research by using randomized control posted only design. The population was students in grade X MIPA of SMAN 1 Pasaman registered in academic year 2018/2019. Samples were taken by using Purposive Sampling technique. Instrument used was psychomotor competence observation sheet. Data analysis was conducted by using Mann Whitney U test. The finding showed that there is a significant difference between students' biology competence in experimental class and control class, in which students' biology competence in experimental class is higher than in control class. Average score of students' biology competence in experimental class is 3.34 (B+) and in control class is 3.17 (B). So, it can be concluded that Active Learning in form of scientific approach with assistance of student worksheets based Problem Based Learning can improve students Biology competence.

Validasi Isi Soal Tes Keterampilan Berpikir Kritis Peserta Didik Kelas XII SMA tentang Materi Bioteknologi Farah Azizah; Syamsurizal Syamsurizal; Lufri Lufri; Fitri Arsih
Journal on Teacher Education Vol. 4 No. 1 (2022): Journal on Teacher Education
Publisher : Universitas Pahlawan

Berpikir kritis merupakan kemampuan untuk menganalisis permasalahan, membuat keputusan dan mengevaluasi suatu informasi yang relevan sehingga mendapatkan kesimpulan yang dapat dipertanggungjawabkan. Berpikir kritis dapat dikembangkan melalui proses pembelajaran. Keterampilan berpikir kritis dapat diukur menggunakan instrument penilaian berupa soal. Penelitian ini bertujuan untuk mendeskripsikan validasi isi Soal Tes Keterampilan Berpikir Kritis Peserta Didik Kelas XII SMA tentang Materi Bioteknologi. Validasi isi pada soal tes berpikir kritis terdiri atas aspek konten ilmu, aspek konstruk, dan aspek bahasa. Metode yang digunakan dalam penelitian ini adalah metode analisis deskriptif kuantitatif berdasarkan perhitungan Uji Gregory. Data validasi isi diperoleh dari dua ahli. Hasil validasi ahli dihitung menggunakan Uji Gregory didapatkan kesimpulan pada soal tes keterampilan berpikir kritis tentang materi bioteknologi adalah kategori validasi isi sangat tinggi dengan skor 0,92.

Analisis Kebutuhan Peserta Didik terhadap Lembar Kerja Berbasis Problem Based Learning pada Materi Perubahan Lingkungan di SMA Negeri 5 Padang Ikmanisa Khairati; Lufri Lufri; Ardi Ardi; Heffi Alberida
Journal on Teacher Education Vol. 4 No. 1 (2022): Journal on Teacher Education
Publisher : Universitas Pahlawan

Penelitian ini bertujuan untuk mengidentifikasi dan memetakan kebutuhan peserta didik terhadap lembar kerja pada materi perubahan lingkungan. Metode penelitian yang digunakan adalah metode deskriptif dengan pendekatan kuantitatif dan kualitatif. Sampel pada penelitian ini yaitu satu orang guru biologi yang mengajar di kelas X dan 60 orang peserta didik yang diambil secara acak (random sampling) di SMA N 5 Padang. Hasil penelitian ini yaitu (1) Pada materi perubahan lingkungan, guru belum menggunakan LKPD, (2) Materi perubahan lingkungan sebagai isu populer dan berdampak pada kehidupan perlu dipelajari lebih dalam, (3) Peserta didik memiliki kesadaran terhadap perubahan lingkungan yang disebabkan masalah lingkungan yang semakin kompleks seiring perkembangan zaman, dan (4) Kesadaran bahwa seiring perubahan zaman, permasalahan lingkungan akan semakin kompleks. Kesimpulan penelitian ini adalah LKPD berbasis Problem Based Learning pada materi perubahan lingkungan dibutuhkan untuk memaksimalkan proses pembelajaran serta dapat mengasah kemampuan bernalar peserta didik.

Tingkat Korelasi serta Persentase Permasalahan Motivasi, Minat dan Konsentrasi Belajar Siswa Kelas XI MIPA dalam Pembelajaran Biologi di SMAN 6 Padang Lidya Yohana; Lufri Lufri
SPIZAETUS: JURNAL BIOLOGI DAN PENDIDIKAN BIOLOGI Vol 3, No 3 (2022): Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Publisher : Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55241/spibio.v3i3.77

Pelaksanaan pembelajaran biologi tidak sepenuhnya dapat berjalan dengan baik. Hal ini dapat menimbulkan permasalahan siswa dalam belajar. Untuk itu perlu dilakukan identifikasi mengenai hal tersebut. Penelitian ini bertujuan untuk mengetahui persentase permasalahan motivasi, minat dan konsentrasi belajar serta tingkat korelasi antara motivasi dengan minat belajar, motivasi dengan konsentrasi belajar, dan minat dengan konsentrasi belajar siswa dalam pembelajaran biologi di SMAN 6 Padang. Penelitian deskriptif ini merupakan penelitian pada populasi yaitu siswa kelas XI MIPA yang berjumlah 158 orang sekaligus sebagai subjek penelitian yang menghasilkan data primer dengan menggunakan instrumen penelitian berupa angket. Teknik analisis data menggunakan statistik deskriptif dan korelasi Product Moment Pearson. Hasil penelitian menunjukkan persentase permasalahan pada aspek motivasi belajar 27%; aspek minat belajar 22%; dan aspek konsentrasi belajar 22%. Hasil koefisien korelasi antara motivasi dengan minat belajar 0.762; motivasi dengan konsentrasi belajar 0.816; dan minat dengan konsentrasi belajar 0.731. Dapat disimpulkan pada aspek motivasi, minat dan konsentrasi belajar siswa terdapat permasalahan tingkat rendah serta antara motivasi dengan minat belajar, motivasi dengan konsentrasi belajar, dan minat dengan konsentrasi belajar tingkat korelasinya kuat hingga sangat kuat. Diharapkan hasil penelitian dapat membantu guru untuk mengidentifikasi permasalahan siswa dalam belajar dan sebagai penelitian yang relevan.

Effect Size : STEM pada Pembelajaran IPA Terhadap Keterampilan Abad 21 Raudhatul Jannah; Lufri Lufri; Asrizal Asrizal; Sandijal Putra Putra
Natural Science Vol 8, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/nsc.v8i2.4227

The study used a meta-analysis with the aim of measuring the effect of STEM on science learning on 21st century skills. The number of articles obtained in this study was 25 articles. These results show that 1), the STEM approach to 21st century skills is very effective for students. 2), the level of education, STEM has a high effectiveness on 21st century skills. 3), the use of learning models in STEM is effective for 21st century skills. So it is concluded that STEM in IPA learning against 21st century students' skills is effectively used

Scientific Creativity In More Than 60 Years: A Bibliometric Analysis Berry Devanda; Lufri; Ali Amran; Yuni Ahda
International Journal Of Humanities Education and Social Sciences (IJHESS) Vol 2 No 1 (2022): IJHESS-AUGUST 2022
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhess.v2i1.235

Although research on student scientific creativity can be found easily on the literature, it is difficult to get articles on how scientific creativity is presented for some decades. This article report scientific creativity from 1960 to 2022 which mined from Scopus database. 181 articles were analyzed using a bibliometric analysis. Publish or Perish (PoP), Mendeley and Vos Viewer were used to find the map of literature on scientific creativity. Keyword used in this research was merely “Scientific Creativity”. The results of the analysis using Vos Viewer show some interesting findings. First, although there have been publications published since 1960 on scientific creativity, from 2008 to 2022 the number of studies on this topic increased significantly. This may be due to the increasing attention of researchers to 21st century skills, creativity and other skills. Second, several findings from Vos Viewer show that there is no collaboration among researchers on scientific creativity that should be able to improve the quality and productivity of research around the topic. Third, the topics about the model and the effectiveness of scientific creativity are increasing. This matter can be taken into consideration by researchers to be used as the next research.

Development Of Assessment Instruments Based On Science Literacy On Class X Environmental-Change Materials Rahma Fitri; L Lufri; Yosi Laila Rahmi; Tut Anggraini; Niken Fryolta; Syamsurizal Syamsurizal
PENBIOS: JURNAL PENDIDIKAN BIOLOGI DAN SAINS Vol 6 No 02 (2021): Penbios: Jurnal Pendidikan Biologi dan Sains
Publisher : Biology Education Department, Faculty of Teacher Training and Education, University of Nahdlatul Wathan Mataram - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/penbios.v6i02.750

Based on PISA data, it shows that the scientific literacy position of Indonesian students is still in the last 10th rank compared to other countries. This shows the lack of skills of Indonesian students in solving PISA questions because in the learning process the assessment instruments used in schools have not reached the criteria for scientific literacy competence. This study aims to produce an assessment instrument based on environmental-change science literacy in class X students that is valid, practical, has varying levels of difficulty, has good discriminatory power, and is reliable. This type of research is research and development with a 4-D development model. The research subjects consisted of 47 students of class X of SMAN 16 Batam and the validators consisted of 2 lecturers of FMIPA UNP and 1 teacher of SMAN 16 Batam. This study resulted in a logically valid scientific literacy-based assessment instrument (85.26%). The results of the practical test of scientific literacy-based assessment instruments by teachers and students respectively were an average score of 82.77% (teachers) and 82.44% (students). The results of the analysis of instrument items using ANATES Version 4.09 are: on multiple choice questions of 0.40-0.69 (medium to high correlation), and very high reliability (0.90); on the questions of description, compound, and attitude of 0.34-0.80 (low to high correlation), and very high reliability (0.81). In the test of discrimination power of questions and the level of difficulty of the questions, the scores are quite varied.

Development Of Student’s Activity Sheet (SAS) Based On Problem-Solving About Digestive System Materials In Humans In Class XI SMAN 1 Panyabungan Selatan Nina Fadilah Lubis; L Lufri
PENBIOS: JURNAL PENDIDIKAN BIOLOGI DAN SAINS Vol 6 No 02 (2021): Penbios: Jurnal Pendidikan Biologi dan Sains
Publisher : Biology Education Department, Faculty of Teacher Training and Education, University of Nahdlatul Wathan Mataram - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/penbios.v6i02.832

The problem behind this research is the way students learn who tend to only read and memorize textbooks. The teaching materials used by schools only rely on textbooks. This study aims to produce SAS based on problem-solving in the digestive system material in humans that is valid and practical. The SAS was validated by lecturers in the biology department of FMIPA UNP and biology teacher at SMAN 1 Panyabungan Selatan. The practicality of this product was carried out by one biology teacher and fifty students at SMAN 1 Panyabungan Selatan. As a result, problem-solving-based worksheets were developed using 3 stages of the 4D model, namely the define stage by analyzing learning needs using the curriculum, the design stage by Designing SAS components, and the Develop stage which aims to produce valid and practical SAS. The value of validity is 92.02% with very valid criteria, practicality by teachers is 90.38% with the criteria is very feasible and students are 89.28% with very feasible criteria. Based on this study, it can be concluded that Student Activity Sheets (SAS) based on problem-solving have been produced on the material of digestive system in humans in class XI of SMAN 1 Panyabungan Selatan which are valid and practical.

Development of Contextual Teaching and Learning (CTL) Oriented Student Worksheets (LKPD) on Digestive System Material for Class XI High School Rahmadani Rahmadani; L Lufri; Muhyiatul Fadilah; Rahmadhani Fitri
PENBIOS: JURNAL PENDIDIKAN BIOLOGI DAN SAINS Vol 6 No 02 (2021): Penbios: Jurnal Pendidikan Biologi dan Sains
Publisher : Biology Education Department, Faculty of Teacher Training and Education, University of Nahdlatul Wathan Mataram - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/penbios.v6i02.853

Implementation of learning is one of the main tasks of teachers to teach students. The intended learning is the creation of conditions that allow it to occur in students. Learning will improve cognitive, affective, and psychomotor abilities, these abilities are accompanied by experience gained during the learning process that applies anywhere and anytime and can be applied in everyday life. One of the materials for class XI that is difficult for students to understand is the material on the digestive system. One way that can be done is to make it easier for students to understand the material on the digestive system by developing Contextual Teaching and Learning (CTL) oriented student worksheets teaching materials, with this worksheet students can relate learning materials to everyday life. Student worksheet (LKPD) development is carried out using 3 stages of 4-D model development. The stages are defined, design, and develop. The data collection instruments used were validity and response questionnaires. The student worksheets were validated by 3 validators and a response test was conducted on 25 students of class XI and one Biology teacher at SMA Negeri 2 Lembang Jaya. This research produces student worksheets with Contextual Teaching and Learning (CTL) orientation on the digestive system material for class XI. The results of the validity of the student worksheets obtained 91.78% with very valid criteria both in terms of the feasibility of content, language, presentation, and graphics. The results of the teacher's assessment of the practicality of the student worksheets obtained an average of 93.28% with practical criteria and an average student assessment of 86.65% with very practical criteria in terms of ease of use, efficient learning time, and benefits. It can be concluded that the student worksheets (LKPD) oriented to Contextual Teaching and Learning (CTL) with a valid category and the responses of teachers and students about its practicality are included in the very practical category.

Co-Authors -, Zulyusri - Abdul Razak Abdul Razak Abdul Razak Abdul Razak Adha, Yuni Afdal Afdal, Afdal Afdarina, Oksa Afriadi, Roni Afriandi, Muhammad Agusti Efi Ahmad Fauzan Ahmad Fauzan Ahmad Fauzan Ahmad Subari Ahmad Supriyadi Ahyar, Rania AL FENDRI Ali Amran Ali Amran Ali Amran Ali Imran Alti, Rizka Putri Ambiyar, Ambiyar Amrianto Amrianto Amrianto Amrianto, Amrianto Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Anggriyani, Ria Angreni, Siska Apriani Sijabat Ardi Ardi Ardi Ardi Ardi Ardi Arfianti, Fina Arlita Laras Putri Armen Armen Armiati Armiati Asma Dewi Asnizar, Asnizar Asri Wahyuni Asrizai Asrizai Asrizai Asrizai Asrizal Asrizal Asrizal Asrizal Asrizal Asrizal Asrul Asrul Atifah, Yusni Aulia Sofianora Ayu Kartika Ayunda, Sonia Nurul Azmi Asra Azwir Anhar Berry Devanda Chatarina Umbul Wahyuni Daely, Fatina Darmanella Dian Eka Wati Darmansyah DARMANSYAH . Darussyamsu, Rahmawati Depitra Wiyaguba Desfira Mustika Ayu Devindo Devindo Dewi Chandrawita, Emillia Dezi Handayani Diana Zulyetti Dinelti Fitria Dwi Hilda Putri E.E. Vifia Infantris Edi Susanto Efdillah, Syilvia Elfira, Ida Ellizar ellizar Elmanazifa, Sintia Elmayana Fradila Emayulia Sastria Enicgia Shantia Eria Marina Sepriyani Eria Marina Sepriyani Ermina Sari Evhan Nisa, Sandra F, Farida Fachry Abda El Rahman fadillah, Muhammad Aizri Fadiyah Hanin FAJRINA, SUCI Falta, Lira Andika Fan'Giana Safitri Farah Azizah Fathimah Azzahra Fatni Mufid Fatni Mufit Febri Yanti Ferdyan, Rhavy Festiyed Festiyed Fietri, Winda Ayu Fira Farizka Fitri Arsih Fitri Arsih Fitri Olivia Rahma Fitri, Arya Wisata Fitria, Dinelti Fitria, Laili Fretty Hengki Karmellia Fuadiah, Saâ€™adiatul Fuadiyah, Saâ€™adiyah Fuadiyah, Sa’diatul Gita Noveri Eza Gunaria Siagian Handri, Silvi Haniza Sara Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hasibuan, Fathanah Fahzi Hasibuan, Mutiara Hastutin, Sri Yuni Hayatul Novita Heffi Alberida Helendra . Helendra Helendra helmisdiati, helmisdiati Helsa Rahmatika Hervi, Fauziah Hurriyah Hurriyah I Made Arnawa Ichi Nurri Fadhillah Ida Elfira Ida Elfira Idia Ofela Nova Ikmanisa Khairati Ilwandri Ilyas, Zulyusri Imelda Khairani Indah, Asra Indra Hartanto Intan Fathia Rahmi IRDAWATI Irdawati Irdawati Irdawati Irdawati Irdawati Irdawati Irfandi Irfandi Irham Ramadhani Ismail, Irfan Ananda Jayawarsa, A.A. Ketut jelly kumala sari, jelly Juanta, Palma Jusmita Weriza Karlini Oktarina Kencanawati, Indah Kenny Winas Sopranda Khairati, Ikmanisa Kosasih, Ahmad Kurnia Wulansari Kurniawan Santoso Laili, Fitria Lanni Mora Lasmana, Oria Latif, Zalik Muhammad Lenti Supriwardi Leonie, Natasha Lidya Yohana Lince Meriko Lora Purnamasari Lora purnamasari, Lora M. Haviz Maharani, Aprina Maiyusri Eka Putri Maris, I. M. Martala Sari Mawardi Mawarni Rezki Mayang Anazalia Mega Elvianasti Mega Elvianasti Mega Elvianasti Mega Iswari Meli Gustinasari Melta, Defrian Mico Arisanto Mohtar, Lilia Ellany Moralita Chatri Moyo, Kgomotso Muhamad Sholichin Muhamad Sholichin Muhammad Yusuf Muhyiatul Fadilah Muhyiatul Fadilah Mulwandani, Zahra Mutiara Hasibuan N, Annisa Nabilatu Rahmi Nadia Olivia Nasution, Meridayati Natalia, Desfaur Nengsih, Cindy Oktafina Niken Fryolta Nina Fadilah Lubis Nina Wahyuni Nindya Ananda Latifa Nova Desrian Siska Nova Sari Zaputri Novi Indah Lestari Nur Azizah Nurhasnah Nurhasnah Nurhasnah* Palma Juanta Pezzy Eka Putri Pratama, Sandi Fransisco Pratiwi, Fitra Adinda Puja Ramadhani Puji Indriani Puri Pramudiani Putra, Erik Nanda Putri Adila Sari Putri Nilam Sari Putri, Ayu Melisa Putri, Nur Aisyah Putri, Nursyafiqa Putri, Pezzy Eka Rachmad Hidayat Radhifah Rahadian Zainul Rahim, Cici Rahma Fitri Rahma Sartika Rahmadani Rahmadani Rahmadhani Fitri Rahmadhani, Dian Intan Rahmawati D Rahmawati Darussyamsu Rahmi Septia Sari Rahmi Septia Sari, Rahmi Septia Rahmi, Intan Fathia Rahmi, Miftahur Rahmi Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Rani Dwi Suci Hd Putri Ratih Komala Dewi Raudhah Awal Raudhatul Jannah Raudhatul Jannah Relsas Yogica, Relsas Revi Gina Gunawan Revi Gina Gunawan Ria Anggriyani Rian Eka Putra Rika Herlyana Rikizaputra Rikizaputra Riko Romas Prayuda Rilla Gina Gunawan Rintan Rahmana Sari Riri Apriyanti Riri Apriyanti Rizka Putri Alti Rizki, Fauziah Roza, Media Rusdi Rusdi Rusdi S. Syamsurizal Sa'diatul Fuadiyah Sa'diatul Fuadiyah Saâ€™adiatul Fuadiah Saâ€™adiyah Fuadiyah Safahi, Luthpi Safira Hayyu Fauzia Salmi Halen Salvina, Salvina Samsudin, Syakirah Sandijal Putra Sandijal Putra Sandijal Putra Putra Santosa, Tomi Apra Sarah Sarah Sarah Sarah, Sarah Sari*, Rona Taula Selaras, Ganda Hijrah Selvi Seftiani Sepriadi, Ilham Seprianto Sepriyani, Eria Marina Shinta, Mardha Sholichin, Muhamad Siagian, Gunaria Silvi Rahmi Silvi Rahmi Sindi Suryani Sintia Elmanazifa Sintia Elmanazifa Siska Nerita Siti Khodizah Skunda Diliarosta Skunda Diliarosta Sonia Nurul Ayunda Suci Fajrina Sudirman Sudirman Sudirman Sudirman Sugandi, Gita Suhaimi . Suryani, Sindi Syafriandi Syafriandi Syafrilianto, Syafrilianto Syamsurizal Syamsurizal - - Syamsurizal S Teguh Febri Sudarma Titis Wulandari Tomi Apra Santosa Tomi Apra Santosa Tomi Apra Santosa Tomi Apra Santosa Santosa Tunnur Hsb, Rafeah tut anggraini Ulfa Syukur Usmeldi Usmeldi Utami, Veni Utri Velia Kharisma Veni Utri Utami Verina, Fira Violita Violita Weni Febrianti Widya Verina Tanjung Wilny Chintya Winda Ayu Fietri Wirda Taufik Wirdati Wirdati Witma Novita Atnur Wulansari, Kurnia Yeni Agustin Yerimadesi Yerimadesi Yerimadesi Yerimadesi Yogi Valfa Yohandri Bow Yosi Laila Rahmi Yul Ifda Tanjung Yul Ifda Tanjung Yul Ifda Tanjung, Yul Ifda Yuni Ahda Yuni Ahda Yuni Ahda Yuselmi, Retti Z. Mawardi Effendi Zaputri, Nova Sari Zikra Zikra Zozy Aneloi Noli Zuhratul Mardhiyah Amir Zulyusri - - Zulyusri Zulyusri Zulyusri, Zulyusri

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