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Pengaruh Supervisi Akademik Pengawas Sekolah terhadap Peningkatan Kompetensi Profesional dan Kinerja Guru: The Influence of School Supervisors' Academic Supervision on Improving Teachers' Professional Competence and Performance Sofia Amtaran; Maximus Gorky Sembiring; Riandi Marisa
Edu Cendikia: Jurnal Ilmiah Kependidikan Vol. 6 No. 01 (2026): Research Articles, April 2026
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/educendikia.v6i01.8515

Abstract

The low level of student literacy in Indonesia, particularly in East Nusa Tenggara Province, poses a challenge in improving the quality of education. This condition demands strengthening teacher quality through academic supervision by school supervisors. This study aims to examine the effect of academic supervision on teacher professional competence and performance, both partially and simultaneously. The study used a quantitative approach with a survey method of 328 respondents selected through the Simple Random Sampling technique. Data were collected using a questionnaire that had been tested for validity and reliability. Data analysis was carried out using descriptive analysis, simple linear regression, and Multivariate Analysis of Variance (MANOVA) using IBM SPSS version 27. The results of the study indicate that academic supervision has a positive and significant effect on teacher professional competence, with a significance value of 0.000 < 0.05 and a contribution of 58.4%. Academic supervision also has a positive and significant effect on teacher performance, with a significance value of 0.000 < 0.05 and a contribution of 60%. In addition, the results of the Pillai's Trace test indicate that academic supervision simultaneously has a significant effect on teacher professional competence and performance, with a contribution of 40.7%. Thus, academic supervision by school supervisors has a strategic role in improving teacher professionalism and performance as an effort to support improving the quality of education.
MATHEMATICAL DISPOSITION ANALYSIS OF ELEMENTARY SCHOOL STUDENTS ON THEIR MATHEMATICAL PROBLEM-SOLVING SKILL Riandi Marisa; Yulia Santi; Ety Mukhlesi Yeni; Sri Dewi Nirmala
Primary: Jurnal Pendidikan Guru Sekolah Dasar Vol. 12 No. 1 (2023): February
Publisher : Laboratorium Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/jpfkip.v12i1.9588

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The role of students' attitudes (disposition) towards mathematics is an important element in solving their mathematical problems and must be maximized properly. Disposition has the following indicators such as self-confidence, flexibility, persistence, curiosity, reflecting, and applying it. This paper describes the elementary students' mathematical disposition profile toward their problem-solving skills. The research method uses qualitative-descriptive. Data were collected through questionnaires, observations, and interviews, which were subsequently analyzed by triangulation technique. The results indicate that there is a significant relationship between elementary school students' mathematical dispositions and their problem-solving skills. Students who achieve the "excellent" category of mathematical disposition indicators (mathematical disposition indicators score > 85%) have good problem[1]solving skills. Furthermore, students who are categorized as "less" (mathematical disposition indicators score < 60%) have problem-solving skills and need treatment. The analysis results that were obtained through questionnaires, observation, and confirmation with interviews indicate that the students' mathematical disposition skills in group A were categorized as excellent with disposition indicators of 95%. Students’ mathematical disposition in group B was categorized as quiet good with the students' mathematical disposition criteria of only 65%. In addition, students’ mathematical disposition in group C was categorized as less good because students' mathematical disposition skills appear only 65%.
Development of Interactive Multimedia-Based Project Based Learning (PjBL) Learning Model in PKn Learning in Elementary Schools Susanti Susanti; Hendri Marhadi; Riandi Marisa
Al-Madrasah: Jurnal Ilmiah Pendidikan Madrasah Ibtidaiyah Vol. 10, No. 3, July - September 2026
Publisher : Sekolah Tinggi Ilmu Al-Qur'an (SIQ) Amuntai Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35931/am.v10i3.6023

Abstract

The application of the interactive multimedia-based project-based learning (PjBL) learning model in PKn learning in elementary schools is a strategic step to improve the quality of student learning experience. Interactive multimedia is expected to be able to make it easier for students to learn the learning materials they experience. The objectives of this study: 1. To determine the effectiveness of the interactive multimedia-based project based learning (PjBL) model in elementary school learning in Banyuasin III district; 2. To find out the practicality of developing an interactive multimedia-based project based learning (PjBL) model in elementary school learning in Banyuasin III sub-district; 3. Determine the validity of the development of an interactive multimedia-based project based learning (PjBL) model in elementary school learning in Banyuasin III district. The sample used was 175 respondents. Data analysis was carried out using qualitative and quantitative research and for data analysis using descriptive analysis with the help of SPSS 25 for windows. The results of this study show that: 1 The development of an interactive multimedia-based project based learning (PjBL) model received a very valid assessment by validators and media experts; 2 This development product received a practical assessment both theoretically and practically by the validator team which showed the category of 'very practical; 3 The product of the development of a project-based learning model (PjBL) based on interactive multimedia was also declared effective with the increase showing a moderate improvement category.
EDUKASI SIAGA BENCANA BERBASIS ASET KOMUNIKASI MELALUI SEKOLAH DAN MEUNASAH DI PIDIE JAYA Riandi Marisa; Juli Firmansyah; Mukti Amini; Muhammad Sulaiman; Windra Irawan; Sitti Jamilah; Muhammad Daud; Musliadi; Muhammad Munadi
Setawar Abdimas Vol. 5 No. 2 (2026): Juli
Publisher : Universitas Muhammadiyah BengkuluUniversitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/sa.v5i2.10818

Abstract

Program Pengabdian kepada Masyarakat (PkM) ini bertujuan memperkuat kesadaran dan kapasitas pendidikan kebencanaan di SDN 6 Meureudu dan Meunasah Gampong Manyang Cut, Kabupaten Pidie Jaya, Provinsi Aceh. Gampong Manyang Cut merupakan kawasan rawan bencana banjir bandang yang terletak di sepanjang aliran Sungai Meureudu, sehingga masyarakat dan komunitas sekolah menghadapi ancaman bencana yang berulang. Kegiatan PkM dilaksanakan pada 19-21 Mei 2026 dengan menggunakan pendekatan Asset Based Community Development (ABCD) yang memanfaatkan aset lokal komunitas. Program mencakup: (1) edukasi siaga bencana banjir bagi 200 siswa dan 28 guru SDN 6 Meureudu; (2) penguatan kapasitas kebencanaan berbasis meunasah bagi masyarakat Gampong Manyang Cut; dan (3) distribusi hibah perlengkapan pendidikan sebagai dukungan konkret pascabencana. Hasil evaluasi berbasis observasi terstruktur dan lembar umpan balik menunjukkan bahwa seluruh 228 peserta (200 siswa dan 28 guru) mengikuti kegiatan secara aktif hingga selesai, dengan tingkat partisipasi 100%. Sebanyak 92% peserta mampu mengidentifikasi jalur evakuasi dan prosedur tanggap darurat berdasarkan hasil observasi sesi simulasi. Koordinasi multistakeholder yang melibatkan lima unsur pentahelix berhasil terjalin efektif. Meunasah terbukti menjadi mitra strategis dalam memperluas jangkauan program kesiapsiagaan bencana. Program ini direkomendasikan sebagai model PkM kebencanaan berbasis ABCD yang dapat direplikasi di wilayah rawan bencana lainnya di Indonesia.
Penguasaan Ejaan Bahasa Indonesia (Ebi) dan Hubungannya dengan Kemahiran Berbahasa Siswa Sekolah Dasar Mucarrommah, Ricca; Puryati; Marisa, Riandi
Jurnal Kajian Bahasa, Sastra dan Pengajaran (KIBASP) Vol. 9 No. 1 (2025): Jurnal KIBASP (Kajian Bahasa, Sastra dan Pengajaran)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/qjmr8b86

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Penelitian ini bertujuan untuk mendeskripsikan tingkat penguasaan Ejaan Bahasa Indonesia (EBI) guru kelas V, kemahiran berbahasa siswa, serta hubungan di antara keduanya. Metode penelitian menggunakan pendekatan kuantitatif dengan desain deskriptif korelasional. Subjek penelitian terdiri dari 13 guru dan 39 siswa kelas V dari 13 sekolah dasar di Gugus 62 Kota Bandung. Data dikumpulkan melalui tes objektif berbentuk pilihan ganda berdasarkan indikator Pedoman Umum Ejaan Bahasa Indonesia (PUEBI), meliputi pemakaian huruf, penulisan kata, dan pemakaian tanda baca. Analisis data dilakukan dengan statistik deskriptif dan korelasi Product Moment Pearson. Hasil penelitian menunjukkan bahwa penguasaan EBI guru berada pada kategori cukup baik dengan rata-rata 68,9%, sedangkan kemahiran berbahasa siswa berada pada kategori kurang baik dengan rata-rata 59,5%. Hasil uji korelasi menunjukkan nilai r = 0,569 dengan p = 0,042 (p < 0,05), menandakan adanya hubungan signifikan dengan tingkat sedang antara penguasaan EBI guru dan kemahiran berbahasa siswa. Simpulan penelitian ini bahwa semakin tinggi penguasaan EBI guru, semakin baik pula kemampuan siswa dalam menggunakan bahasa Indonesia yang sesuai kaidah.   Kata Kunci: Ejaan Bahasa Indonesia, Guru Sekolah Dasar, Kemahiran Berbahasa, Korelasi,  Tanda Baca
The Influence of the Principal's Leadership Style and Teachers' Readiness on the Level of Implementation of P5 in Elementary Schools in Paberiwai District Melkianus Domu Pedi; Riandi Marisa; Sarah Fazilla
Al-Madrasah: Jurnal Ilmiah Pendidikan Madrasah Ibtidaiyah Vol. 10, No. 3, July - September 2026
Publisher : Sekolah Tinggi Ilmu Al-Qur'an (SIQ) Amuntai Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35931/am.v10i3.6282

Abstract

This study aims to analyze the influence of principal leadership style and teacher readiness on the implementation level of the Pancasila Student Profile Strengthening Project (P5) in elementary schools throughout Paberiwai District, East Sumba Regency. The study employed a quantitative approach with a survey method. The study population was all elementary school teachers in Paberiwai District, with a sample size of 40 respondents determined through total sampling. Data collection was conducted using a questionnaire that had undergone validity and reliability testing. The data were analyzed using multiple linear regression analysis with the help of SPSS, along with classical assumption tests, t-tests, and F-tests.The results showed that principal leadership style had no significant effect on P5 implementation. Conversely, teacher readiness had a positive and significant partial effect on P5 implementation, with a standardized regression coefficient (β) of 0.441 and a significance level of 0.022 (<0.05), indicating that teacher readiness contributed 19.45% to the variation in P5 implementation. Simultaneously, the principal's leadership style and teacher readiness significantly influenced the implementation of P5, with an R-square value of 0.600. This indicates that the two variables together explain 60.0% of the variation in P5 implementation, while the remainder is influenced by factors outside the research model. Based on these findings, it can be concluded that teacher readiness is a key factor in the successful implementation of P5 in elementary schools throughout Paberiwai District. The role of the principal's leadership style needs to be strengthened to achieve a more tangible impact. This research provides important implications for education management in the 3T (Underdeveloped, 3T) regions, particularly in formulating policies to increase teacher capacity and strengthen school leadership to support the success of the Independent Curriculum through the implementation of P5.
FOCUS GROUP DISCUSSION DAN DISEMINASI HASIL PKM KEBENCANAAN: VALIDASI MULTIPIHAK DAN PERUMUSAN ROADMAP PENGABDIAN BERBASIS MEUNASAH DI KABUPATEN PIDIE JAYA Riandi Marisa; Juli Firmansyah; Sitti Jamilah; Windra Irawan; Muhammad Daud; Yulia Santi; Ety Mukhlesi Yeni; Sarah Fazilla
JMM (Jurnal Masyarakat Mandiri) Vol 10, No 4 (2026): Agustus
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v10i4.40677

Abstract

Abstrak: Banjir bandang di Kabupaten Pidie Jaya, Aceh, November 2025 berdampak masif terhadap sektor pendidikan, mendorong Universitas Terbuka melaksanakan Program PkM Nasional berbasis pendekatan Asset Based Community Development (ABCD) di SDN 6 Meureudu dan Meunasah Gampong Manyang Cut (19-21 Mei 2026), menjangkau 200 siswa dan 28 guru. Artikel ini berfokus pada tahap lanjutan program, yaitu Focus Group Discussion (FGD) dan Diseminasi Hasil PkM pada 23 Juni 2026 di Aula BAPPEDA Pidie Jaya, bertujuan memvalidasi capaian, menggali perspektif pentahelix, dan merumuskan roadmap PkM lintas disiplin 2027-2031. FGD dihadiri 47 peserta lintas unsur pentahelix melalui dua sesi narasumber, diskusi kelompok terfasilitasi, dan perumusan rekomendasi, dievaluasi dengan lembar penilaian individual dan kuesioner kepuasan. Keberhasilan kegiatan dievaluasi melalui dua instrumen yang saling melengkapi: (1) lembar penilaian individual pra-diskusi yang memuat enam indikator capaian program (ketepatan sasaran pelatihan, relevansi materi, potensi meunasah sebagai Pusat Pengurangan Risiko Bencana/PRB, kapasitas kemandirian komunitas sekolah, dampak program, dan keberlanjutan koordinasi multipihak), yang hasilnya dikonfirmasi secara kualitatif melalui diskusi kelompok dan sesi pleno; serta (2) kuesioner kepuasan pascakegiatan yang mengukur empat aspek penyelenggaraan. Hasil menunjukkan validasi positif atas keenam indikator capaian program oleh peserta lintas unsur, serta skor kepuasan rata-rata 4,55 dari skala 5, setara 91 persen (Sangat Baik). FGD juga mengidentifikasi tujuh isu prioritas, merumuskan 10 topik roadmap 2027-2031, dan menyepakati lima rekomendasi strategis, termasuk formalisasi meunasah (surau/musala) sebagai Pusat PRB Berbasis Komunitas serta integrasi kebijakan lingkungan dalam mitigasi bencana berkelanjutan.Abstract: The flash flood in Pidie Jaya Regency, Aceh, in November 2025 severely affected the education sector, prompting Universitas Terbuka to conduct a National Community Service Program using the Asset-Based Community Development (ABCD) approach at SDN 6 Meureudu and Meunasah Gampong Manyang Cut (19-21 May 2026), reaching 200 students and 28 teachers. This article focuses on the program's next stage: a Focus Group Discussion (FGD) and Dissemination on 23 June 2026 at the BAPPEDA Hall, Pidie Jaya, aimed at validating outcomes and formulating a 2027-2031 cross-disciplinary roadmap. The FGD involved 47 pentahelix stakeholders through resource-person sessions and facilitated discussions. Program success was evaluated using two complementary instruments: (1) a pre-discussion individual assessment sheet covering six achievement indicators (targeting accuracy, material relevance, meunasah's potential as a Disaster Risk Reduction/DRR Center, school community self-reliance, program impact, and sustainability of multi-stakeholder coordination), whose results were confirmed qualitatively through group and plenary discussion; and (2) a post-activity satisfaction questionnaire covering four organizational aspects. Results showed positive validation of all six achievement indicators by cross-sector participants, alongside an average satisfaction score of 4.55 out of 5 (91 percent, Very Good). The FGD identified seven priority issues, produced 10 roadmap topics for 2027-2031, and agreed on five recommendations, including formalizing meunasah (surau/musala) as a Community-Based Disaster Risk Reduction Center and integrating environmental policy into sustainable mitigation. 
PENGUATAN KOMPETENSI GURU MELALUI LESSON STUDY SEBAGAI UPAYA TRANSFORMASI PEMBELAJARAN Sri Dewi Nirmala; Kristanti Ambar Puspitasari; Puryati Puryati; Riandi Marisa; Heri Wahyudi; Gina Damayanti; Sufina Siti Zulfa
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 5 (2025): Oktober
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i5.34566

Abstract

Abstrak: Guru berperan strategis dalam meningkatkan mutu pendidikan yang tidak tergantikan oleh teknologi. Salah satu kompetensi penting adalah kemampuan menyelenggarakan pembelajaran yang mendidik dan relevan dengan kebutuhan siswa. Pembelajaran berdiferensiasi merupakan pendekatan esensial untuk menjawab keragaman siswa, namun implementasinya masih menghadapi kendala. Kegiatan PkM ini bertujuan mendampingi guru sekolah dasar dalam mengimplementasikan pembelajaran berdiferensiasi melalui lesson study. Kegiatan dilaksanakan pada Maret - Juni 2025 dengan melibatkan 25 guru kelas dan guru mata pelajaran. Pendekatan Participatory Rural Appraisal (PRA) digunakan melalui tiga tahap: perencanaan berbasis analisis kebutuhan, pelaksanaan melalui sosialisasi dan pendampingan, serta evaluasi dan tindak lanjut, berdasarkan tahapan Lesson Study yakni Plan, Do, dan See. Hasil pendampingan menunjukkan 80% guru meningkat pemahamannya mengenai pembelajaran berdiferensiasi, 75% mampu merancang perangkat pembelajaran berdiferensiasi, 70% mampu menerapkan strategi kolaboratif, dan 65% mampu menggunakan asesmen autentik. Lesson study terbukti efektif meningkatkan kompetensi guru, keterampilan refleksi, dan budaya kolaborasi. Kegiatan ini diharapkan menjadi model penguatan kompetensi guru untuk mewujudkan pembelajaran adaptif dan inklusif di sekolah dasar, dengan tindak lanjut pada penguatan diferensiasi yang terintegrasi pembelajaran mendalam.Abstract: Teachers play a strategic role in improving the quality of education that cannot be replaced by technology. One important competency is the ability to organize educational learning that is relevant to students' needs. Differentiated learning is an essential approach to addressing student diversity, but its implementation still faces obstacles. This Community Service Program aims to assist elementary school teachers in implementing differentiated learning through lesson study. The activity was carried out from March to June 2025, involving 25 classroom teachers and subject teachers. The Participatory Rural Appraisal (PRA) approach was used in three stages: needs analysis-based planning, implementation through socialization and mentoring, and evaluation and follow-up, based on the Lesson Study stages of Plan, Do, and See. The results of the assistance showed that 80% of teachers improved their understanding of differentiated learning, 75% were able to design differentiated learning tools, 70% were able to apply collaborative strategies, and 65% were able to use authentic assessments. Lesson study proved to be effective in improving teacher competence, reflection skills, and a culture of collaboration. This activity is expected to become a model for strengthening teacher competencies to realize adaptive and inclusive learning in elementary schools, with follow-up on strengthening integrated differentiation and deep learning.
School Literacy Movement At State Elementary School In Kute Panang District, Central Aceh Regency Rahmah A.; Alfi Syahrin; Riandi Marisa
Journal Prakarsa Paedagogia Vol. 7 No. 1 (2024): Juni 2024
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/jpp.v7i1.13441

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The purpose of this study was to describe (1) the implementation of the school literacy movement program at the Kute Panang District Elementary School, and (2) the obstacles faced by the school in implementing the school literacy movement. The research method used in this study is qualitative research. Qualitative research in this case aims to understand social phenomena (students, teachers, principals, committees, and those involved in this study) or human behavior through in-depth interpretation and analysis of non-numerical data. Data collection was obtained from valid and accountable informants, the success of the study depends on the data collection technique itself. So the techniques that will be used in this study are 3 techniques, namely observation, interviews, and documentation. The findings of this study indicate that the components in the implementation of the school literacy movement, namely planning and implementation. This study has the addition of two components in the implementation of the school literacy movement. The addition is in the form of organizing and controlling components. Then, the obstacles faced in the implementation of the school literacy movement can be overcome with comprehensive and sustainable efforts from all related parties. By overcoming these obstacles, it is hoped that the school literacy movement can run effectively and achieve its goals of increasing reading interest and literacy culture in schools.
ANALYSIS OF DIFFERENCES IN SELF-REGULATED LEARNING AMONG ELEMENTARY SCHOOL STUDENTS Mumun Muntasiroh; Riandi Marisa; Indra Jaya
SOSIOEDUKASI Vol 15 No 2 (2026): SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan Universaitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/sosioedukasi.v15i2.8210

Abstract

This study aims to examine gender differences in self-regulated learning (SRL) among elementary school students and to identify variations across SRL components. A quantitative approach with a comparative survey design was employed. The sample consisted of 60 fifth-grade students selected through total sampling. Data were collected using an SRL questionnaire and analyzed using descriptive statistics and an independent sample t-test. The results revealed a significant difference in SRL between male and female students (p < 0.05), with female students obtaining higher SRL scores. Differences were consistently found across all SRL components, particularly in planning and reflection. These findings indicate that variations in self-regulated learning are not only reflected in overall scores but also in its underlying dimensions.The study provides a more detailed profile of elementary students’ SRL based on gender across multiple components. The findings highlight the importance of early SRL development through adaptive and differentiated instruction to support students’ learning independence.
Co-Authors A., Rahmah Abdul Halim bin Masnan Alfi Syahrin, Alfi Amalia Sapriati Ana Maharani Keban Anisaturrahmi, Anisaturrahmi Artanti, Yuli Baharuddin, Muhtadin Bernada Materay Carvina, Mona Cut Khairani Elly Sukmanasa Ety Mukhlesiyeni Fachrurrazi Fachrurrazi Fachrurrazi Fachrurrazi Firmansyah, Juli Fitria, Isna Fitriani Fitriani Gina Damayanti Gusti Yarmi Hartiningsih Hartiningsih Hendri Marhadi Heri Wahyudi Iis Marsithah Indra Jaya Irma Mulyani Iskandar Iskandar Juli Firmansyah Juli Firmansyah Juli Firmansyah Kartika, Yessy Kasful Anwar Khairani, Cut Kristanti Ambar Puspitasari Mahdi Mahdi, Mahdi Maisura Maisura Maisura Maisura Maman Rumanta Maria Goreti Rini Kristiantari Marwan Marwan Matelda Alfonsina Ibo Melkianus Domu Pedi Mona Carvina Mucarrommah, Ricca Muhammad Daud Muhammad Daud Muhammad Daud Muhammad Iqbal Muhammad Iqbal Muhammad Munadi Muhammad Safrijal Muhammad Sulaiman Muharramsyah, Rambang Muhtadin Baharuddin Mukti Amini Mumun Muntasiroh Musliadi Musliadi Musliadi Najmuddin Najmuddin Nazariah Nazariah Nazariah, Nazariah Novita Martika Putri PUJI LESTARI Purnomo, Hendro Susilo Puryati Puryati Puryati Puspitasari, Kristanti Ambar Rahmah A. Rahmi Hayati Rahniar, Rita Rambang Muharramsyah Rasyid, Suparta Rasyid, Suparta Ratna Dewita Rita Rahniar Safrida Safrida Saifuddin Saifuddin Saiful Bahri Sarah Fazilla Sarah Fazilla Sarah Fazilla, Sarah Sembiring, Gorky Sendi Ramdhani Siraj Siraj Siraj Siti Julaeha, Siti Sitti Jamilah Sitti Jamilah Sitti Jamilah Sofia Amtaran Sri Dewi Nirmala Sri Dewi Nirmala Sufina Siti Zulfa Sumanti Sumanti, Sumanti Suparta Rasyid Susanti Susanti Tita Rosita Ulfa, Fitria Usman Usman Wakhudin Windra Irawan Windra Irawan Windra Irawan Yessy Kartika Yulia Santi Yusnidar, Yusnidar