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All Journal International Journal of Evaluation and Research in Education (IJERE) SAINSMAT Indonesian Journal of Educational Studies Kreano, Jurnal Matematika Kreatif-Inovatif Jurnal Daya Matematis Al-Jabar : Jurnal Pendidikan Matematika Al Ishlah Jurnal Pendidikan MaPan : Jurnal Matematika dan Pembelajaran Jurnal Cendekia : Jurnal Pendidikan Matematika Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya DIDAKTIKA : Jurnal Kependidikan Pepatudzu : Media Pendidikan dan Sosial Kemasyarakatan Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Mandalika Mathematics and Educations Journal Parameter Al asma : Journal of Islamic Education Jurnal PEKA (Pendidikan Matematika) Mosharafa: Jurnal Pendidikan Matematika Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) ARRUS Journal of Social Sciences and Humanities ARRUS Journal of Mathematics and Applied Science Kognitif: Jurnal Riset HOTS Pendidikan Matematika SAINSMAT: Journal of Applied Sciences, Mathematics, and Its Education Issues in Mathematics Education (IMED) Indonesian Journal of Research and Educational Review (IJRER) Seminar Nasional Pengabdian Kepada Masyarakat Agrikan: Jurnal Agribisnis Perikanan JTechLP JoEELE Journal of Scientific Research, Education, and Technology Al-Irsyad Journal of Mathematics Education Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences Seminar Nasional Hasil Penelitian LP2M UNM PERFORMANCE: JOURNAL OF ENGLSH EDUCATION AND LITERATURE Ininnawa: Jurnal Pengabdian Masyarakat ARRUS Jurnal Pengabdian Kepada Masyarakat GEMBIRA (Pengabdian Kepada Masyarakat) Jurnal Tadris Matematika (JTMT) Riemann : Research of Mathematics and Mathematics Education Kreano, Jurnal Matematika Kreatif Inovatif Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat Journal on Mathematics Education Issues in Mathematics Educations (IMED) Journal of Community Services and Development Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam
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The Application of The Jigsaw Method to Improve Students’ English Learning Outcomes at SMAN 7 Gowa Amaniar Rahmah; Maemuna Muhayyang; Ahmad Talib
PERFORMANCE: JOURNAL OF ENGLISH EDUCATION AND LITERATURE Vol 5, No 1: February (2026) Performance: Journal of English Education and Literature
Publisher : State University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/performance.v5i1.83000

Abstract

This research aimed to determine the effectiveness of the Jigsaw method in improving students’ English learning outcomes at SMAN 7 Gowa. The research employed a quantitative approach using a pre-experimental design with one group pre-test and post-test. The population of this research consisted of all tenth-grade students of SMAN 7 Gowa totaling 114 students, while the sample was 30 students of class X IPA A selected through cluster random sampling. The instrument used in this research was a multiple-choice test administered as a pre-test and a post-test. The data were analyzed using descriptive and inferential statistics. The result of the research showed that the students’ mean score in the post-test was higher than the mean score in the pre-test. The result of hypothesis testing showed that the significance value was 0.000, which was lower than the significance level of 0.05. Therefore, it can be concluded that the Jigsaw method was effective in improving students’ English learning outcomes.Key words: jigsaw method, students’ english learning outcomes.
IMPLEMENTING EDUCAPLAY AS A GAME-BASED LEARNING TOOL TO INCREASE STUDENTS’ INTEREST IN LEARNING ENGLISH: A QUANTITATIVE STUDY AT SMKN 1 MAKASSAR Adsan Fauzan; Syarifuddin Dollah; Ahmad Talib
PERFORMANCE: JOURNAL OF ENGLISH EDUCATION AND LITERATURE Vol 5, No 2: May (2026) Performance: Journal of English Education and Literature
Publisher : State University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/performance.v5i2.85404

Abstract

This research aims to investigate the implementation of Educaplay as a Game-Based Learning (GBL) tool to increase students’ interest in learning English at SMK Negeri 1 Makassar. The study employed a quantitative approach with a one-group pretest-posttest design involving 30 eleventh-grade students who have undergone cluster random sampling technique. Data were collected through a questionnaire measuring four indicators of interest: excitement, curiosity, enjoyment, and attention. The results indicate an increase in the mean score, from 43.83 on the pre-questionnaire to 45.57 on the post-questionnaire. However, the paired t-test results show a values of 0.090, which is greater than 0.05, indicating insufficient evidence to reject the null hypothesis (H0). Additionally, the N-gain score of 0.11 falls into within the low category (g < 0.30). these findings indicate that the implementation of Educaplay as a GBL tool is not statistically significant in enhancing students’ interest in learning English.Keywords: Educaplay, Game-Based Learning, students’ interest, English learning
The getting-offer learning design: A structured peer-interaction approach to enhance mathematical communication skills Talib, Ahmad; Usman Mulbar; Suharti; Muhammad Ikram
Al-Jabar: Jurnal Pendidikan Matematika Vol 17 No 2 (2026): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v17i2.31160

Abstract

Purpose: This study examined whether the Getting-Offer Learning Design could improve university students’ mathematical communication skills in calculus learning through structured peer interaction and collaborative explanation activities.Method: A nonequivalent pretest-posttest control group design was conducted involving 60 first-year calculus students at a state university in Makassar, Indonesia. The intervention was implemented over five meetings. Mathematical communication skills were assessed using a validated 3-item open-ended test scored with an analytic rubric. Data were analyzed using descriptive statistics, Shapiro–Wilk and Levene’s tests, independent-samples -tests, normalized gain ( -gain), and Cohen’s  effect size analysis.Findings: The experimental group achieved a higher posttest mean score  than the control group . The difference was statistically significant, , with a large effect size (Cohen’s ). The experimental group also obtained a higher normalized gain  than the control group  Descriptive item-level analysis further indicated higher communication indicator scores in the experimental group across calculus tasks.Significance: The findings suggest that structured collaborative interaction involving explanation, peer response, and idea refinement may support the development of mathematical communication skills in university calculus learning.
EFEKTIVITAS MEDIA DIGITAL BERBASIS KECERDASAN BUATAN (AI) DENGAN MEMAKSIMALKAN KECERDASAN LINGUISTIK TERHADAP PEMAHAMAN KONSEP POLINOMIAL SISWA SMK Abdul Hakim Junaid; St Nurkhalifah Ali; Ahmad Talib
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): AL–IRSYAD JOURNAL OF MATHEMATICS EDUCATION
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.569

Abstract

Pemahaman konsep polinomial sering menjadi tantangan bagi siswa Sekolah Menengah Kejuruan (SMK) karena sifat materi yang abstrak dan dominasi pendekatan pembelajaran prosedural. Penelitian ini bertujuan untuk menganalisis efektivitas media digital berbasis kecerdasan buatan (AI) terhadap peningkatan pemahaman konseptual siswa pada materi polinomial. Menggunakan desain kuasi-eksperimen one-group pretest-posttest, penelitian ini melibatkan 25 siswa kelas XI Akuntansi di SMKN 3 Pinrang. Instrumen penelitian mencakup tes pemahaman konsep polinomial yang telah divalidasi, lembar observasi, dan angket respons siswa. Hasil penelitian menunjukkan peningkatan skor posttest yang signifikan dibandingkan skor pretest, yang dikonfirmasi melalui uji-t berpasangan (p < 0,05). Skor N-Gain termasuk dalam kategori sedang, yang menunjukkan peningkatan yang substansial dalam pemahaman konseptual. Observasi menunjukkan keterlibatan dan interaksi siswa yang tinggi dengan media AI. Respons kuesioner menunjukkan penerimaan siswa yang positif, dengan mayoritas menyetujui bahwa media berbasis AI membuat pembelajaran lebih interaktif dan mudah dipahami. Studi ini menjawab celah penelitian dengan secara spesifik mengukur pengaruh AI terhadap pemahaman konseptual pada topik matematika tertentu di pendidikan vokasi. Disimpulkan bahwa media digital berbasis AI merupakan alat yang efektif untuk meningkatkan pemahaman konsep polinomial siswa SMK, yang mendukung pengembangan pembelajaran matematika vokasional yang lebih adaptif dan berorientasi konsep
Development of the IDCIR Mathematics Learning Model to Improve Junior High School Students' Problem-Solving and Creative Thinking Skills Sufri Mashuri Sufri; Suradi Tahmir; Ahmad Talib; Hisyam Ihsan
Riemann: Research of Mathematics and Mathematics Education Vol. 7 No. 3 (2025): EDISI DESEMBER
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/riemann.v7i3.117

Abstract

This study aims to develop and validate the IDCIR (Incubation, Divergence, Convergence, Innovation, Reflection) mathematics learning model as an effort to improve problem-solving skills and creative thinking abilities of junior high school students. The background of this research is grounded in the low levels of numeracy and mathematical reasoning abilities among Indonesian students, as reflected in the results of PISA 2022 and AKM 2024. To address these issues, this study employs a Research and Development (R&D) approach by adapting the Plomp model, which includes the stages of preliminary investigation, design and development, as well as implementation and assessment. The resulting product consists of a learning model along with supporting materials such as lesson plans, teacher's guidebooks, student textbooks, student worksheets, and assessment instruments. Validation was conducted by experts in subject matter, pedagogy, and evaluation, showing that the IDCIR model meets the validity criteria in terms of content, construct, language, and visual design of the learning materials. Practicality testing in three schools indicated that the model can be implemented effectively, its syntax is easy for teachers to follow, and students responded positively to the learning activities. Furthermore, effectiveness testing using a pretest–posttest control group design revealed that students who learned through the IDCIR model experienced significant improvements in problem-solving skills, creativity indicators (fluency, flexibility, originality), and learning engagement compared to students in the control group. Thus, the IDCIR model is declared valid, practical, and effective, and can be recommended as an innovative alternative in mathematics instruction to support the achievement of 21st-century competencies.
The Correlation between Reading Comprehension Ability and Students' English Learning Outcomes Asriani Asriani; Haryanto Atmowardoyo; Ahmad Talib
Journal of Excellence in English Language Education Vol 5, No 1, January (2026): Journal of Excellence in English Language Education
Publisher : Program Studi Pendidikan Bahasa Inggris FBS UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/joeele.v5i1, January.82890

Abstract

This study is a type of correlational research that aims to determine the correlation between reading comprehension ability and students' English learning outcomes. The population in this study was all students of class VIII of SMPN 26 Makassar, with the number of samples of this study being 32 students. The data collection technique for this study was using tests and documentation as research instruments. The data analysis technique used in this study was descriptive statistical analysis and inferential statistical analysis. Based on the data analysis, the results of the study were reading comprehension ability with a percentage of 62% in the good category and English learning outcomes with a percentage of 82% in the excellent category. The results of the inferential statistical analysis obtained r_count of 0.525 with a significance of 5% and r_table of 0.361, so that r_count (0.525) > r_table (0.361). Thus, H0 is rejected and H1 is accepted; it can be concluded that there is a significant correlation between reading comprehension ability and students' English learning outcomes.
EXPLORING TEACHER’S PERSPECTIVE ON EFL STUDENTS’ DISRUPTIVE BEHAVIOR IN EFL CLASSROOM Amsar Ramadhan; Ahmad Talib; Hasriani G
JTechLP: Journal of Technology in Language Pedagogy Vol 5, No 2, July (2026): JTechLP: Journal of Technology in Language Pedagogy
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jtechlp.v5i2, July.88212

Abstract

This research aims to explore teachers’ perspectives on managing disruptive student behavior in EFL classrooms. It employs a qualitative approach using a case study design. Data were collected through interviews and observations. The subject of this study is an English teacher at SMAN 9 Kepulauan Selayar who deals with disruptive student behavior in EFL classrooms. The results of the research show that teachers have diverse perspectives on five types of disruptive behavior: classroom disruption, aggression, confrontation, disengagement, and wandering. Most of these behaviors, such as classroom disruption, verbal aggression, disengagement, and wandering, are perceived negatively because they disrupt students’ concentration, hinder the learning process, and create an unproductive classroom atmosphere. Meanwhile, teachers exhibit a more neutral perspective toward physical aggression, passive aggression, and confrontation due to the limited occurrence of these behaviors or differing interpretations of them.
Pengaruh Kecerdasan Interpersonal, Self Efficacy, Disposisi Produktif, Self Esteem, dan Motivasi Belajar terhadap Prestasi Belajar Matematika Muhammad Nur Ihsan Hamin; Alimuddin Alimuddin; Ahmad Talib
Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) Vol. 6 No. 2 (2026): Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI), 2026 (2)
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/jppi.v6i2.3965

Abstract

Faktor internal yang menjadi salah satu faktor yang mempengaruhi keberhasilan akademik peserta didik. Oleh sebabnya, diperlukan optimalisasi pada faktor internal ini. Oleh karena itu, penelitian ini bertujuan mengetahui pengaruh kecerdasan interpersonal, self efficacy, disposisi produktif, self esteem, dan motivasi belajar terhadap prestasi belajar matematika. Penelitian kuantitatif dengan jenis ex-post facto ini dilaksanakan di kelas XI MAN 2 Kota Makassar sebagai populasi dalam penelitian. Sampel dalam penelitian ini sebanyak 80 peserta didik yang diambil menggunakan teknik cluster random sampling. Instrumen yang digunakan dalam penelitian ini, angket dan tes prestasi belajar matematika. Teknik analisis data yang digunakan dalam penelitian ini adalah statistik deskriptif dan statistik inferensial dengan menerapkan SEM-PLS. Hasil penelitian menunjukkan bahwa terdapat pengaruh secara langsung maupun pengaruh tidak langsung terhadap prestasi belajar matematika dengan nilai P-Value < 0,05 secara keseluruhan. Efek total masing-masing variabel menunjukkan nilai P-Value < 0,05 dan self esteem memberikan kontribusi terbesar terhadap prestasi belajar matematika. Secara keseluruhan pengaruh secara langsung lebih baik dibandingkan pengaruh secara tidak langsung yang dimediasi oleh motivasi belajar. Penelitian ini juga mengkonfirmasi bahwa model struktural dapat digunakan dalam penelitian selajutnya dengan nilai reliabilitas dan validitas yang tinggi. Implikasi penelitian ini menunjukkan bahwa peningkatan prestasi belajar matematika tidak hanya memerlukan penguatan aspek kognitif. Oleh karena itu, pendidik disarankan untuk merancang strategi pembelajaran yang tidak hanya berorientasi pada penguasaan materi, tetapi juga pada pengembangan kepercayaan diri dan sikap positif peserta didik terhadap matematika.
Peningkatan Kemampuan Memahami, Mengaplikasi, dan Merefleksi melalui LKPD pada Materi Barisan dan Deret DS, Hadi Kasmaja; Khotimah, Husnul; Talib, Ahmad
Jurnal PEKA (Pendidikan Matematika) Vol. 10 No. 1 (2026): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/p4bah022

Abstract

This classroom action research aimed to investigate the improvement of students’ abilities to understand, apply, and reflect through student worksheets (LKPD) on sequences and series at MA Shohibul Ilmi Bulukumba. The study was conducted in two cycles, each consisting of planning, action implementation, observation, and reflection stages, and was contextualized with local culture to enhance the meaningfulness of learning. The participants were 14 tenth-grade students. The research data consisted of process data and outcome data. Process data were obtained through observations of students’ learning activities and assessments of LKPD performance in the aspects of understanding, applying, and reflecting, which served as the basis for reflection and improvement in each cycle. Outcome data were collected through tests measuring students’ abilities to understand, apply, and reflect at the end of each cycle to determine their learning improvement. The results of Cycle I showed achievement levels of 60.71% for understanding, 61.61% for applying, and 58.93% for reflecting, while test mastery reached only 50%. After improvements were implemented in Cycle II, students' achievement increased by 22.62% to 83.33% in understanding, by 22.91% to 84.52% in applying, and by 32.32% to 81.25% in reflecting, with the test mastery level reaching 92.9%. These findings indicate that deep learning-based LKPD effectively improved students’ conceptual understanding, application skills, and reflective abilities in learning sequences and series.
Peningkatan Performa Model Pengenalan Hitungan Jari (1–5) Berbasis Konteks Budaya Menggunakan Lokalisasi YOLO, Transfer Learning, dan Grad-CAM untuk Explainable AI Khawaritmi Abdallah Ahmad; Rahmat Syam; Mariani; Ahmad Talib
Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences Vol. 5 No. 3 (2026): Riset Matematika dan Pendidikan Matematika
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/venn.v5i3.493

Abstract

Pengenalan gestur hitungan jari (1–5) atau daktilonomi memiliki peran fundamental dalam pembelajaran matematika dasar sebagai representasi kognitif yang terwujud (embodied numerosity). Namun, model klasifikasi pada Natural Hand Digit Dataset masih menunjukkan akurasi terbatas (sekitar 66%) akibat gangguan latar belakang, variasi posisi, dan pencahayaan. Penelitian ini bertujuan untuk meningkatkan performa pengenalan gestur angka melalui lokalisasi tangan berbasis YOLOv10x yang dilatih pada dataset HaGRID sebagai tahap pra-pemrosesan, serta mengintegrasikan Grad-CAM untuk explainable artificial intelligence (XAI). Metode yang digunakan terdiri atas deteksi dan pemotongan wilayah tangan menggunakan YOLOv10x, kemudian klasifikasi jumlah jari menggunakan transfer learning ResNet50 dengan fine-tuning dan callback. Hasil eksperimen menunjukkan bahwa penggunaan citra hasil lokalisasi tangan (cropped) meningkatkan akurasi hingga 73,98% dengan macro F1-score 72,44%, jauh lebih baik dibandingkan citra asli (akurasi 41,66%). Visualisasi Grad-CAM mengonfirmasi bahwa model benar-benar fokus pada konfigurasi jari yang relevan pada prediksi benar, sementara pada prediksi salah, peta aktivasi mengungkap penyebab kesalahan (misalnya angka "2" dikenali sebagai "1" karena fokus pada satu jari). Penelitian ini menyimpulkan bahwa pendekatan lokalisasi tangan sebelum klasifikasi efektif meningkatkan performa dan ketahanan sistem, sementara Grad-CAM memberikan transparansi dan interpretabilitas yang penting untuk membangun kepercayaan dalam aplikasi pembelajaran matematika interaktif.
Co-Authors Abdul Hakim Junaid Abdul Rahman Abdullah Abdullah Adsan Fauzan Agung Izzul Haq Agusalim Juhari Ahmad Syah AHMAD ZAKI Ahmad, Khawaritzmi Abdallah Ahmar, Ansari Saleh Alimuddin Tampa Amaniar Rahmah Amsar Ramadhan Andi Cahaya Rezky Andini Andi Sri Hardiana Andi Syukriani Andina Ainayah Naim Anggun Nuraisy Shagli Ariyani, Amra Arjuna Al Albani Ilyas Asdar Asdar . asmaun, asmaun Asriani Asriani Astrianingsih Astrid Auliah, Syarifah Rahmah Auliyanti Sahril Nurfadhilah Awi Dassa Awi Dassa, Awi Aynul Arham Baa, Sultan Bafagih, Aisyah Baso Intang Sappaile Baso Intang Sappaile, Baso Intang Baso Jabu, Baso Bernard Bernard Bernard Bernard Bernard Bernard Bernard Bernard Bilal, Buya Ahmad Buamona, Suryawati Chusnul Chatimah Azis Delia Mustika Syam Dewi, Nirmala Djam’an, Nurwati DS, Hadi Kasmaja Fairul, Muh. Fajar Arwadi Fatahuddin Fatahuddin Fatahuddin Fauziah Fauziah G, Hasriani Garaika Gunawan, Sukriyanto Gustikasari Amin Hairil, Jumahir Hamda Hamin, Muhammad Nur Ihsan Hamzah Upu Haryanto Atmowardoyo Hasriani G Hastuty Hastuty Hastuty Musa Hastuty Musa Hisyam Ihsan Husriani Husain Ikram, Muhammad Ilham Minggi Ilham Minggi Ilham Minggi Ilham Minggi Ishaq Munajah Ismail bin Kailani Jalaluddin Mulbar Jamaluddin Jamaluddin Js, Nurmulyana Juhaevah, Fahruh Kamaruddin, Dani Kamaruddin, Nurzatulshima Khawaritmi Abdallah Ahmad Khawaritzmi Abdallah Ahmad Khawaritzmi Abdallah Ahmad Khuzaimah Nur Anisa La Sunra lina marlina, lina Ma'rup Ma'rup Ma'rup Ma'rup, Ma'rup Maemuna Muhayyang Mardiyanah Nasta Mariani Marup, Marup Megawati Megawati Megawati Megawati Muh. Fairul Muh. Irsan Muh. Sofyan Muh. Tahir Muh. Tahir Muhammad Alquaid Muhammad Dinar Dinar Muhammad Miswar Heru Muhammad Nur Ihsan Hamin Munawwara, Zakiratul Munir Munir, Munir Muqsitulqadri Syarif Mustikawati, Yunitari Muthmainnah Muthmainnah Mytra, Prima Nafsih, Alfattah Nasir, Norma Nasrullah Nasrullah Nasrullah Noni, Nurdin Nur Fajriah Nur Ikhsan Ismail Nur Inayah Mutmainnah Nurdin Arsyad Nurdin, Rifqah Nur' Arfani Nurhakimah Mujahid Nurwati Djam'an Nurwati Djam’an Pemu, Nasrullah Putri Melinia Amanda Putri, Melati Arvita R. Rusli Rahma Hidayati Darwis Rahmah, Sakinah Aulia Rahman, Abdul Rahmat Syam Ramdhani, Nurfitriah Ramlah, Salma Rifandi, Muh. Rismayanti Rosadi, Muhammad Taufiq Rosidah Rosidah Rosidah Rosidah Rosidah Rusdin Rusdin Rusdin Rusdin Ruslan Daeng Matteru, Ruslan Daeng Ruslan Ruslan Rusli Rusli Rusli Rusli Rusli, R Sahid Sari, Rolita Maya Sibian, Miske Elsy Sofyan, Muh. Sri Yuyun St Nurkhalifah Ali Sufri Mashuri Sufri Suharti Sunra, La Suradi Suradi Suradi Suradi Tahmir, Suradi Surentu, Nada Indah Sutamrin, Sutamrin Syahid, Nurul Khatimah Syair, Siti Nurazizah Syarifah Farahdiba Syarifuddin Dollah Tahmir, Suradi Titaheluw, Syahnul S. Trisnowali MS, Andi Uhrawi, Teti Usman Mulbar Usman Mulbar Usman Mulbar W. Wawan Widyarti Hakman Yulianti Para&#039;pak Yulisda Yulisda Yusuf, Emi Marlina M