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PENGARUH PENGGUNAAN MEDIA AUDIO VISUAL TERHADAP HASIL BELAJAR KOGNITIF PADA MATA PELAJARAN PENDIDIKAN PANCASILA Hidayah, Andini Nur; Salimi, Asmayani; Ghasya, Dyoty Auliya Vilda
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 14, No 2 (2025): Februari 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v14i2.91253

Abstract

Effective learning requires media that can help students understand the material more effectively. One method that can be used is audio-visual media, which is expected to enhance students' cognitive learning outcomes, especially in Pancasila Education. This study aims to evaluate the impact of using audio-visual media on the cognitive learning outcomes of fifth-grade students at SD Negeri 35 Pontianak Selatan. This research employs a quasi-experimental method with a Nonequivalent Control Group Design. Out of three available classes, two were selected as samples using a purposive sampling technique. One class received instruction using audio-visual media (experimental group), while the other class continued with conventional teaching methods (control group). Data was collected through a cognitive learning outcome test in multiple-choice format and analyzed using parametric statistical tests to compare the learning outcomes of both groups. The results indicate that the average learning outcomes of students in the experimental group were higher than those in the control group. The t-test analysis confirmed a significant difference between the two groups, suggesting that the use of audio-visual media positively influences students' cognitive learning outcomes. Based on these findings, it can be concluded that audio-visual media has a positive impact on improving students' cognitive learning outcomes in Pancasila Education. Therefore, teachers are encouraged to utilize this media in the learning process to enhance the effectiveness and quality of classroom instruction.
PENGEMBANGAN BUKU DIGITAL FLIPBOOK PELAJARAN BAHASA INDONESIA KELAS IV SDN 41 PONTIANAK UTARA Kusumasadi, Dimas Kuncoro; Kresnadi, Hery; Ghasya, Dyoty Auliya Vilda
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 14, No 2 (2025): Februari 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v14i2.89103

Abstract

This research generally aims to develop digital books using the canva application assisted by flipbook made for Indonesian language lessons in class IV SDN 41 North Pontianak, which are valid, practical, and attractive to support student learning. This study employs a research methodology that incorporates Research and Development (RnD) alongside the ADDIE model. The data for this research was collected from a single class consisting of 26 students in the fourth grade at SDN 41 North Pontianak. Validator I validator II is a media and material expert. Data were collected through observation, interviews, and questionnaires. The findings from the study indicated that the process of creating digital books utilizing the Canva application, supplemented by Flipbook, in Indonesian language instruction for fourth-grade students, successfully progressed through four of the five stages of the ADDIE model. The validation of the product developed through this method achieved a percentage score of 89% by combining the results of data from validator I and validator II and fall into the “very valid” category for media and material aspects. After conducting practicality to students, the results of practicality in using digital books using the canva application aided by flipbook with a percentage result of 80% and entered into the “Practical” category and for the practicality of class teachers got a percentage result of 85% and entered into the “practical” category so that digital books were declared feasible and practical for use in the learning process.
PENGEMBANGAN LKPD BERBASIS DISCOVERY LEARNING DALAM PEMBELAJARAN IPAS KELAS V MIS AWALUDDIN KUBU RAYA Meidianti, Hesty Zenitha; Kresnadi, Hery; Ghasya, Dyoty Auliya Vilda
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 14, No 2 (2025): Februari 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v14i2.90879

Abstract

This study generally aims to develop a Discovery Learning-based Student Worksheet (LKPD) for fifth-grade elementary school students that is feasible and practical for supporting IPAS (Integrated Science) learning activities. The research employs the ADDIE method. The study participants include a homeroom teacher, 16 students from class VB at MIS Awaluddin Kubu Raya, and two expert validators, who are lecturers. The data collection technique used in this research is a questionnaire.The research results indicate that the development of the Discovery Learning-based Student Worksheet (LKPD) has gone through five stages: analysis, design, development, implementation, and evaluation. The feasibility of the developed Discovery Learning-based Student Worksheet (LKPD) was rated as "highly feasible" by expert validators, achieving scores of 82.5% for didactic requirements, 91.4% for construction requirements, and 96.7% for technical requirements, making it suitable for trial use. It also met the "Highly Practical" category, receiving a 90.8% approval rating from students, indicating that the Discovery Learning-based Student Worksheet (LKPD) is both feasible and practical for use in the learning process.
PENGEMBANGAN GAMES EDUKASI BERBANTUAN WORDWALL PADA MUATAN IPAS TOPIK KEKAYAAN BUDAYA INDONESIA KELAS IV SEKOLAH DASAR NEGERI 41 PONTIANAK UTARA Nurhamzah, Dede; Kresnadi, Hery; Ghasya, Dyoty Auliya Vilda
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 14, No 2 (2025): Februari 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v14i2.89105

Abstract

In general, this research aims to develop educational games on wordwall website for IPAS learning content at 4th grade class at SD Negeri 41 Pontianak Utara wich is eligible to assist learning activities in Merdeka Curriculum. The present study utilizes the R&D (Research and Development) method, employing the ADDIE model. The data of research was obtained form one class at SD Negeri 41 Pontianak Utara, totaling 27 students, and assisted by 2 validators consisting of an expert of media and an expert of material. The research also involved a 4th grade teacher. The techniques of collection of data are observation, interviews, and questionnaires. The findings of the study indicated that the development of wordwall educational games on IPAS learning content for the "Kekayaaan Budaya Indonesia" topic for grade IV demonstrated a high degree of validity, an average percentage of 95.38% in the media aspect category, and an average percentage of 96.66% in the material aspect category, both of which fall within the "Very Valid" category. The practicality level of the wordwall educational games was determined to be "Very Practical" based on the responses of the student questionnaires, with an average percentage of 94.59%. Similarly, the responses from the teacher questionnaires yielded an average percentage of 95.38%, also categorizing the wordwall educational games as "Very Practical."In conclusion, the developed media has been determined to be both viable and practical for utilization in classroom learning activities, as substantiated by the aforementioned results.
PENGARUH PENGGUNAAN MEDIA AUDIO VISUAL TERHADAP KETERAMPILAN MENULIS NARASI SISWA KELAS IV SD NEGERI 30 PONTIANAK UTARA Saras Lestari; Hery Kresnadi; Dyoty Auliya Ghasya
Jurnal Review Pendidikan dan Pengajaran Vol. 7 No. 3 (2024): Volume 7 No 3 Tahun 2024
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v7i3.29593

Abstract

Penelitian ini ditujukan untuk mengetahui pengaruh penggunaan media audio visual terhadap keterampilan menulis narasi siswa kelas IV SD Negeri 30 Pontianak Utara. Metode penelitian yang digunakan adalah metode eksperimen dengan bentuk quasi eksperimental design. Populasi dalam penelitian ini seluruh siswa kelas IV SD Negeri 30 Pontianak Utara yang berjumlah 43 orang, sedangkan sampel adalah bagian dari jumlah dan karakteristik yang dimiliki oleh populasi tersebut maka seluruh populasi yang digunakan sebagai sampel dalam penelitian. Teknik pengumpulan data penelitian ini menggunakan teknik pengukuran karena data yang dikumpulkan bersifat kuantitatif. Terdapat beberapa hasil penelitian yang telah dilakukan dengan nilai rata-rata pre-test kelas eksperimen 68,90 dan kelas kontrol 59,75. Terdapat perbedaan hasil uji normalitas pre-test pada kelas eksperimen 4,30 dan kelas kontrol 3,99 serta hasil post-test uji normalitas pada kelas eksperimen 7,24 dan kelas kontrol 3,24. Dalam penelitian ini sekelompok sampel yang dinyatakan dalam penelitian ini dinyatakan berasal dari populasi yang berdistribusi normal, serta kedua sampel dalam penelitian ini berasal dari populasi yang homgen karena terdapat hasil post-test yang meliputi 2,96 < 2,112 maka diterima. Dalam hasil pengujian hipotesis penelitian ini di ketahui > maka terdapat ditolak dan diterima.
ANALISIS AUDIENCE, BEHAVIOR, CONDITION, DEGREE (ABCD), PJBL DAN PBL DALAM MODUL AJAR KURIKULUM MERDEKA GURU KELAS 1 DAN 4 SEKOLAH DASAR DI KOTA PONTIANAK Vilda Ghasya, Dyoty Auliya; Kartono, Kartono; Pranata, Rio; Kresnadi, Hery; Johan, Gio Mohamad
Jurnal Tunas Bangsa Vol 12 No 1 (2025)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/tunasbangsa.v12i1.3188

Abstract

Latarbelakang penelitian ini didasari oleh implementasi kurikulum merdeka di sekolah dasar yang telah diterapkan selama dua tahun terakhir. Penelitian ini bertujuan untuk mendeskripsikan komponen audience, behavior, condition, degree (abcd), pjbl dan pbl dalam modul ajar kurikulum merdeka guru kelas 1 dan 4 sekolah dasar di kota Pontianak. Penelitian ini merupakan jenis penelitian dengan pendekatan kualitatif menggunakan metode deskripstif. Teknik penelitian berupa dokumentasi naskah modul ajar yang dibuat oleh guru sekolah dasar di Kota Pontianak. Adapun hasil dari penelitian ini berupa penyusunan tujuan pembelajaran walaupun masih belum sepenuhnya mengandung unsur Audience, Behavior, Condition, Degree (ABCD), tetapi sudah memenuhi unsur minimal yaitu adanya kompetensi dan lingkup materi esensial sehingga dapat dikatakan bahwa tujuan pembelajaran tersebut memenuhi ketentuan. Guru wali kelas 1 dan 4 saat menyusun dokumen modul ajar tidak selalu menggunakan model pembelajaran project based learning dan problem based learning dikarenakan menyesuaikan karakteristik materi dan perkembangan peserta didik sehingga guru berusaha merencanakan menggunakan model pembelajaran yang lain. Sebagai saran, agar tiap sekolah dapat menyebarkan informasi berupa komponen dalam modul ajar kurikulum merdeka dan memberikan pengarahan tentang cara yang tepat dalam menyusun modul ajar kurikulum merdeka.AbstractThe background to this research is based on the implementation of the independent curriculum in elementary schools which has been implemented for the last two years. This research aims to describe the components of audience, behavior, condition, degree (abcd), pjbl and pbl in the independent curriculum teaching module for grade 1 and 4 elementary school teachers in the city of Pontianak. This research is a type of research with a qualitative approach using descriptive methods. The research technique is documentation of teaching module texts created by elementary school teachers in Pontianak City. The results of this research are in the form of preparing learning objectives, although they still do not fully contain the elements of Audience, Behavior, Condition, Degree (ABCD), but have fulfilled the minimum elements, namely the existence of competency and scope of essential material so that it can be said that the learning objectives meet the provisions. When preparing teaching module documents, homeroom teachers for classes 1 and 4 do not always use project based learning and problem based learning models because they adapt to the characteristics of the material and the development of students, so teachers try to plan using other learning models. As a suggestion, each school can disseminate information in the form of components in the independent curriculum teaching modules and provide guidance on the appropriate way to prepare independent curriculum teaching modules.
Penerapan Model Problem Posing untuk Meningkatkan Aktivitas dan Hasil Belajar pada Materi Sudut Kelas IV Haniza, Haniza; Hamdani, Hamdani; Ghasya, Dyoty Auliya Vilda
Innovative: Journal Of Social Science Research Vol. 4 No. 2 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i2.20472

Abstract

Abstrak Penelitian ini dilatarbelakangi dengan adanya permasalahan, yaitu penggunaan pendekatan pembelajaran yang masih kurang efektif dan bermakna sehingga menyebabkan rendahnya aktivitas dan hasil belajar peserta didik pada mata pelajaran Matematika peserta didik kelas IV A SDN 58 Sungai Raya. Tujuan penelitian ini adalah untuk mengetahui aktivitas dan hasil belajar peserta didik kelas IV A SDN 58 Sungai Raya dengan menggunakan model pembelajaran problem posing. Pendekatan yang digunakan dalam penelitian ini adalah kualitatif deskriptif dengan jenis penelitian tindakan kelas (PTK), yang terdiri dari dua siklus dengan melakukan tahapan-tahapan seperti tahapan perencanaan, pelaksanaan, observasi, dan refleksi. Fokus penelitian ini adalah model pembelajaran problem posing, aktivitas, dan hasil belajar matematika peserta didik kelas IV A dengan jumlah 24 orang, yang terdiri dari 11 orang laki-laki dan 13 orang perempuan. Teknik pengumpulan data yang digunakan adalah observasi dan tes. Teknik analisis data menggunakan analisis data kuantitatif dan kualitatif. Hasil penelitian menunjukkan bahwa terdapat peningkatan aktivitas dan hasil belajar peserta didik kelas IV A di kelas. Aktivitas mengajar guru dalam siklus I berada pada kategori sedang yang kemudian menjadi kategori baik pada siklus II. Begitu juga pada aktivitas belajar peserta didik dalam siklus I berada pada kategori sedang kemudian menjadi kategori baik pada siklus II. Peningkatan juga terjadi pada hasil belajar peserta didik. Pada siklus I peserta didik belum berhasil mencapai ketuntasan yang telah ditentukan sehingga berada pada kategori cukup. Pada siklus II hasil belajar peserta didik sudah meningkat, dapat dilihat dari nilai rata-rata kelas yang mengalami peningkatan dan berada pada kategori baik. Kesimpulan dari penelitian ini adalah dengan menerapkan model pembelajaran problem posing dapat meningkatkan aktivitas dan hasil belajar matematika pada peserta didik kelas IV A SDN 58 Sungai Raya. Kata Kunci : Penerapan, Problem Posing, Aktivitas, Hasil Belajar
A Textbook Oriented Towards Critical Thinking Skills on The IPAS Subject (Energy Crisis) for Primary School Kartono, Kartono; Auliya Vilda Ghasya, Dyoty; Pranata, Rio; Tesi Muskania, Ricka; Irfan Izudin, Muhammad; Fatmadiwi, Anggi; Mu’afiyah, Rofidatul
Jurnal Ilmiah Teunuleh Vol. 6 No. 3 (2025): Jurnal Ilmiah Teunuleh
Publisher : Teunuleh Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51612/teunuleh.v6i3.203

Abstract

Critical thinking is not a skill that develops on its own. This ability must be cultivated through activities that encourage individuals to think critically. Schools, as educational institutions, have a responsibility to help students develop critical thinking skills. The purpose of this study is to determine the validity of the developed critical-thinking-oriented textbook on energy crisis threats for IPAS Phase C in primary schools and to describe teacher and student responses regarding the practicality of this textbook. The research method used is Research and Development (R&D) with both quantitative and qualitative analysis. Data collection instruments included questionnaires, checklists, and interview guidelines. The study resulted in the development of a critical-thinking-oriented textbook on energy crisis threats for IPAS Phase C. The material validation score was 90.62, categorized as highly valid; the language validation score was 85, also highly valid; and the design validation score was 90, categorized as highly valid. Furthermore, the practicality response questionnaires yielded scores of 93.57 from students and 95.14 from teachers, both categorized as highly practical.
PENGEMBANGAN BAHAN AJAR BERBASIS KEARIFAN LOKAL UNTUK PEMBELAJARAN IPA DAN IPS DI KELAS IV SDN 17 PONTIANAK KOTA Santoso, Ichsan; Kresnadi, Hery; Ghasya, Dyoty Auliya
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 14, No 9 (2025): September 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v14i9.96207

Abstract

This study aims to develop teaching materials based on local wisdom for natural and social science learning, specifically Chapter 6, "Indonesiaku Kaya Budaya", for Grade IV students at SDN 17 Pontianak Kota. The research employs a development (R&D) approach using the ADDIE model. Quantitative data were obtained from validation results and practicality questionnaires filled out by teachers and students, while qualitative data were derived from validator suggestions, teacher notes, and student feedback. Data collection techniques included interviews and questionnaires. The findings revealed that the teaching materials are valid and practical, as evidenced by the following results: content expert validation achieved an average score of 4.25, categorized as “valid”; design expert validation achieved an average score of 4.11, categorized as “valid”; and language expert validation achieved an average score of 4.25, also categorized as “valid.” Furthermore, the practicality evaluation by teachers achieved an average score of 4.64, categorized as “very practical.” The practicality evaluation by a small group of students resulted in an average score of 3.81, categorized as “practical,” while the large group evaluation achieved an average score of 4.47, categorized as “very practical.” Based on these findings, it can be concluded that the teaching materials based on local wisdom are feasible and practical to support learning activities.
Penanganan dan Pencegahan Perilaku Perundungan di Lingkungan Sekolah Dasar untuk Mewujudkan Sekolah Ramah Anak : Penelitian Kartono; Safrianty, Nany; Ricka Tesi Muskania; Dyoty Auliya Vilda Ghasya; Bayu Prasodjo; Hairida; Jumiarti
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3079

Abstract

Perilaku perundungan (bullying) merupakan salah satu permasalahan serius yang kerap terjadi di lingkungan sekolah, termasuk pada jenjang Sekolah Dasar. Fenomena ini tidak hanya berdampak pada kesehatan mental dan emosional peserta didik, tetapi juga dapat menghambat proses pembelajaran serta perkembangan sosial anak secara menyeluruh. Sekolah Ramah Anak merupakan inisiatif yang digagas oleh Kementerian PPPA bekerja sama dengan Kementerian Pendidikan, Kebudayaan, Riset, dan Teknologi (Kemendikbudristek) yang bertujuan menjamin pemenuhan hak dan perlindungan anak selama berada di lingkungan sekolah. Tujuan dari pengabdian kepada masyarakat ini adalah untuk memberikan materi penanganan dan pencegahan perilaku perundungan di lingkungan sekolah dasar untuk mewujudkan sekolah ramah anak. Metode yang digunakan meliputi tiga tahap, yaitu tahap persiapan meliputi koordinasi internal antara tim PkM dengan guru-guru sekolah dasar di Kota Pontianak yang akan terlibat, meliputi tanggal pelaksanaan, lokasi pelaksanaan dan sebagainya; persiapan materi oleh tim PkM, pembuatan modul dan hand out oleh tim PkM dan lain sebagainya, tahap pelaksanaan yaitu workshop penanganan dan pencegahan perilaku perundungan di lingkungan sekolah dasar untuk mewujudkan sekolah ramah anak. Evaluasi kegiatan dilakukan dengan meminta peserta kegiatan untuk mengisi kuesioner melalui pemindaian QR code. Hasil dari kegiatan ini adalah adanya peningkatan pengetahuan peserta terhadap penanganan dan pencegahan perundungan di sekolah dasar.
Co-Authors - Hairida - Kartono A. Totok Priyadi Adelia Risti Agung Amiansyah Agung Hartoyo Agustinus Mimo Hendri Agusturrahman Ahmad Yani T Albinus Febrianus Alfadillah, Dinni Alya Amini Amaliawan, Nur Andini, Della Putri Angela, Yuyun Anggi Putri Pratiwi Anggun Beliani Anjelika Widyasari Armawita, Natasa Asha Asha Asmayani Salimi Asriah Nurdini M. Bayu Prasodjo Bella Sri Ardha Bistari Budiman Tampubolon Burgawanti Burgawanti Christanto Syam Cici Oktria Ningsih Clarissa Wury Sevilla Dara Dalilah Dede Tamara Deswanti, Lamberta Dhea Ananda Dian Febryana Dian Miranda Dian Miranda Dianti Dwi Puspita Sari Dominika Farida Dwi Riyanti Dwiki Ilmawan Elsa Febriony Agata Purba Elyasmad Elyasmad Elyasmad, Elyasmad Endang Febrianti Erma Yunita Sari Eva Rini Lestari Farid Zulfa Faza Fatmadiwi, Anggi Febriyani, Ananda fera fera Fitri Sari Utami Fricilia Tika Fricilia Tika Gio Mohamad Johan Gio Mohamad Johan Hairida Hamdani . Hamdani Hamdani Haniza Heri Kresnady Hery Kresnadi Hery Kresnadi Hidayah, Andini Nur Holyness Nurdin Singadimedja Iksan Iksan Iman, Darul Indah Sauliyah Irfan Izudin, Muhammad Irwi Fiemi Isti Dwi Puspitawati Iswani Iswani Izudin, Muhammad Irfan Jayawarsa, A.A. Ketut Johan, Gio Mohamad Jumiadi Firmansyah Jumiarti Kartono Kartono Kartono - Kartono Kartono Kartono Kartono Kartono Kartono Kartono, Kartono Khairunnisa Khairunnisa Kriswanto, Dafi Kusumasadi, Dimas Kuncoro Laksono Trisnantoro Lesmawarni Lia Uladari Lili Kasmini Lily Thamrin Liza Khasanah Sudrajat M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Martono Martono Mashud Masyithah Masyithah Meidianti, Hesty Zenitha Mika Santia Muhamat Alridha Upara Muhammad Hidayat Muhammad Ridho Hakiki Muhammad Robi Harjuni Muskania, Ricka Tesi Mu’afiyah, Rofidatul Nadelia Maudi Nany Safrianty Natalia Rosi Heavenlim Natasya, Dya Nauval Fahrani Neni Mariyani Norholis, Norholis Nur Fitri Meliani Nur Idhafi Fatianti Nur Khalid Saifullah Nurdini Maulida Nurhamzah, Dede nurhayati nurhayati Nurloviana Nurloviana Nurul Sapitri Oei Fira Ramadhani Patriantoro . Patrisia Gina Pranata, Rio Prasodjo, Bayu Pratama, Elta Wiadria Pupun Nuryani Purba, Hengky Tantri Badakara Putri Tipa Anasi Rahma Anggita Rahmawati Rian Juliansyah Rianda Rianda Rio Pranata Rio Pranata Ririn Ririn Ririn, Elisia Rania Riska Prahasta Rita Ermia Rizal Rizal Rizka Dwi Yanti Rizka Putri Salsadila Safrianty, Nanny Sakurdi Sakurdi Santoso, Ichsan Santri Santri Saras Lestari Sari, Nadila Saskia Adisty Sesilia Seli Sirindu Pujia Ningsih Siti Halidjah Siti Halidjah Siti Halidjah Siti Halidjah Siti Halidjah Siti Halidjah Sri Handayani Sri Nuryanti Sri Suhelma Suparjan Suparjan Suparjan Suparjan Suparjan Suparjan Suparjan Suparjan Suparjan Tahmid Sabri Tahmid Sabri Tahmid Sabri Taufik Hidayat Tea Shilaturrahmi Trioktaviani Aling Uray Gustian Uray Gustian, Uray Veneranda, Novika Reka Vivi Niyarti Wahfiudin, Muhamad Waspodo Tjipto Subroto Windhi, Windhi Wulan Suci Y. Touvan Juni Samodra Yuliana Bunsu Zaki Al Fuad