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All Journal Imaji: Jurnal Seni dan Pendidikan Seni Dinamik Jurnal Ecosolum JURNAL HUTAN LESTARI Jurnal INSANIA Bioedukasi KALAM CENDEKIA PGSD KEBUMEN BASASTRA Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega AGRIKA Humanitas: Indonesian Psychological Journal Jurnal Riset dan Kajian Pendidikan Fisika KONSELI: Jurnal Bimbingan dan Konseling (E-Journal) Jurnal Studi Komunikasi dan Media Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Psikopedagogia Jurnal Teknologi Pertanian Jurnal Solum JITRO (Jurnal Ilmiah dan Teknologi Peternakan Tropis) Jurnal Counsellia EDUKASI PAUDIA: JURNAL PENELITIAN DALAM BIDANG PENDIDIKAN ANAK USIA DINI Catharsis BAGIMU NEGERI : JURNAL PENGABDIAN KEPADA MASYARAKAT Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini Jurnal Sains & Teknologi Modifikasi Cuaca Jurnal Bina Praja MODELING: Jurnal Program Studi PGMI Forum Ekonomi : Jurnal Ekonomi, Manajemen dan Akuntansi BIOEDUSCIENCE Jurnal AUDI JURNAL SINEKTIK Conference SENATIK STT Adisutjipto Yogyakarta Jurnal Pertanian Agros Media Ilmu Kesehatan Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Jurnal Analis Kesehatan JURNAL ILMIAH MAHASISWA AGROINFO GALUH GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling Bioedukasi: Jurnal Pendidikan Biologi SEISENSE Journal of Management Journal of Educational Research and Evaluation Jurnal Pengabdian Magister Pendidikan IPA TELEKONTRAN: Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Cakrawala: Jurnal Litbang Kebijakan Jurnal Mandiri JAKP (Jurnal Administrasi dan Kebijakan Publik) Literasi : Jurnal Ilmu Pendidikan TARBAWI: Journal on Islamic Education CERIA (Cerdas Energik Responsif Inovatif Adaptif) Psikostudia : Jurnal Psikologi Jurnal Sistem Informasi Kaputama (JSIK) FINANSIA : Jurnal Akuntansi dan Perbankan Syariah Agroteknika Journal of Information Systems and Informatics Jurnal Pembelajaran dan Biologi Nukleus Jurnal Agrium Al-Qalb : Jurnal Psikologi Islam Jurnal Abdimas Mandiri Community Engagement and Emergence Journal (CEEJ) Agrienvi : Jurnal Ilmu Pertanian JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Jurnal Hutan Tropika Bantara Journal of Animal Science SEMAR Indonesian Values and Character Education Journal Jurnal Pengabdian UNDIKMA Jurnal Teknik Informatika (JUTIF) Pelangi: Jurnal Pemikiran dan Penelitian Pendidikan Islam Anak Usia Dini ProGCouns: Journal of Professionals in Guidance and Counseling Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD BISNIS & BIROKRASI: Jurnal Ilmu Administrasi dan Organisasi Journal of Physical Activity and Sports (JPAS) Jurnal Pengabdian Olahraga Masyarakat Prosiding Seminar Nasional Sains Teknologi dan Inovasi Indonesia (Senastindo) Jurnal Pengabdian Masyarakat IPTEK Tropical Animal Science Journal of Education Research Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Healthy Tadulako Journal (Jurnal Kesehatan Tadulako) International Journal of Multidisciplinary Research and Literature (IJOMRAL) Jurnal Sistem Komputer Triguna Dharma (JURSIK TGD) Jurnal Sistem Informasi Triguna Dharma (JURSI TGD) Jurnal Pengabdian Mandiri Journal of Agriculture (JoA) Jurnal Ilmu Manajemen Mulawarman (JIMM) Amare Journal Research of Social Science, Economics, and Management Innovative: Journal Of Social Science Research JURNAL HANDAYANI PGSD FIP UNIMED Tensile : Jurnal Pengabdian Kepada Masyarakat International Journal of Multidisciplinary Sciences ABDIMU Jurnal Pengabdian Kepada Masyarakat Coreid Journal Jurnal Kepariwisataan: Destinasi, Hospitalitas dan Perjalanan Journal Information & Computer (JICOM) Agrocentrum Journal Of Economic Sciences (Ekuisci) Elatics Jurnal Ikadbudi : Jurnal Ilmiah Bahasa, Sastra, dan Budaya Daerah Journal of Elektronik Sistem InformasI Jurnal Cerdas Mendidik Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK) INOVASI: Jurnal Ekonomi, Keuangan, dan Manajemen Jurnal Sarjana Ilmu Pendidikan PAUDIA: JURNAL PENELITIAN DALAM BIDANG PENDIDIKAN ANAK USIA DINI BACA: Jurnal Dokumentasi dan Informasi KARIR Jurnal Ilmiah Manajemen Pelangi: Jurnal Pemikiran dan Penelitian Pendidikan Islam Anak Usia Dini Agrimas : Jurnal Pengabdian Masyarakat Bidang Pertanian Jurnal Kajian Bimbingan dan Konseling JURNAL PENGABDIAN KEPADA MASYARAKAT (JPKM) KEBANGSAAN
Purwadi Purwadi
IKIP SEMARANG
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Journal : Jurnal Teknik Informatika (JUTIF)

 1 
Hyperparameter Optimization Of IndoBERT Using Grid Search, Random Search, And Bayesian Optimization In Sentiment Analysis Of E-Government Application Reviews Iskoko, Angga; Tahyudin, Imam; Purwadi, Purwadi
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 5 (2025): JUTIF Volume 6, Number 5, Oktober 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.5.4897

Abstract

User reviews on Google Play Store reflect satisfaction and expectations regarding digital services, including E-Government applications. This study aims to optimize IndoBERT performance in sentiment classification through fine-tuning and hyperparameter exploration using three methods: Grid Search, Random Search, and Bayesian Optimization. Experiments were conducted on Sinaga Mobile app reviews, evaluated using accuracy, precision, recall, F1-score, learning curve, and confusion matrix. The results show that Grid Search with a learning rate of 5e-5 and a batch size of 16 provides the best results, with an accuracy of 90.55%, precision of 91.16%, recall of 90.55%, and F1-score of 89.75%. The learning curve indicates stable training without overfitting. This study provides practical contributions as a guide for improving IndoBERT in Indonesian sentiment analysis and as a foundation for developing NLP-based review monitoring systems to enhance public digital services.
Comparison of Information Technology Governance Maturity Levels Based on COBIT 2019 at PT Kereta Commuter Indonesia in 2023 and 2024 Purwadi, Purwadi; Santoso, Handri
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 5 (2025): JUTIF Volume 6, Number 5, Oktober 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.5.5200

Abstract

This study aims to analyze and compare the maturity level of Information Technology (IT) governance at PT Kereta Commuter Indonesia (KCI) between 2023 and 2024 using the COBIT 2019 framework. The background of this study is based on the operational complexity of KCI which serves a high daily passenger volume, so that the information system becomes the backbone of the smooth transportation service. The method used is a descriptive-comparative case study with a mixed approach, through interviews, Likert scale questionnaires, and internal document reviews such as IT audit reports and government regulations. The results of the analysis show a significant and consistent increase, where the level of IT governance maturity which was previously at level 2 (Managed) and 3 (Defined) in 2023, increased to level 3 and 4 (Quantitatively Managed) in 2024. The most prominent improvements were seen in the strategic domain EDM01 (Ensure Governance Framework Setting) and the operational domain DSS01 (Manage Operations), which successfully reached level 4. This success reflects top management's commitment and ongoing internal evaluation in strengthening IT governance strategically and operationally. The research findings confirm that annual evaluations serve as an objective benchmark for identifying governance gaps, developing digital strategies, and determining future IT investment priorities. Overall, this study confirms that regular assessments can improve the effectiveness of data-driven IT transformation and ensure alignment of IT implementation with the company's business objectives.
Comparison of the Accuracy Levels of Naive Bayes, Random Forest, and Long Short-Term Memory (LSTM) Methods in Predicting Gold Jewelry Sales Pandu W, Muhammad Arfianto; Saputro, Rujianto Eko; Purwadi, Purwadi; Rohmah, Umdah Aulia
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 1 (2026): JUTIF Volume 7, Number 1, February 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.1.5139

Abstract

Gold has long been recognized as a safe haven asset, especially during economic uncertainty. Accurate prediction of gold jewelry sales is essential for inventory management and business strategy, particularly in high-demand regions such as Imogiri. This study aims to compare the accuracy levels of three machine learning methods—Naïve Bayes, Random Forest, and Long Short-Term Memory (LSTM)—in predicting gold jewelry sales using historical transaction data from Toko Emas Parimas. The dataset comprises 4,595 records from January 2022 to December 2024. The research employs data preprocessing, including data cleaning, feature transformation, and normalization, followed by classification into sales categories. Two data-splitting schemes (80:20 and 70:30) were implemented to evaluate model generalization. The models were trained and tested using performance metrics such as accuracy, precision, recall, and F1-score. The results show that Random Forest achieved perfect classification with an accuracy of 1.00 in both schemes, outperforming the other models. Naïve Bayes also performed well with accuracy up to 0.98, while LSTM showed moderate results with accuracy ranging from 0.82 to 0.88. These findings indicate that Random Forest is the most reliable model for sales prediction of gold jewelry, especially for static classification tasks. The study provides practical insights for retailers and decision-makers in selecting suitable analytical models, and it highlights the importance of aligning analytical methods with data characteristics to improve decision support systems in retail.
Clustering And Classification Of Toddler Stunting Risk Using K-Means And Naive Bayes: A Case Study At Kembaran 1 Community Health Center Fitriya Maharani, Lulu Amnah; Purwadi, Purwadi; Ummul Hidayah, Debby
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 2 (2026): JUTIF Volume 7, Number 2, April 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.2.5420

Abstract

Stunting continues to be a significant public health concern in Indonesia, with a frequency of 17.25% at Kembaran 1 Public Health Center, highlighting ongoing difficulties in early childhood nutrition and growth surveillance. This work seeks to assess and forecast stunting risk in toddlers by employing K-Means clustering and Naive Bayes classification to enhance early detection precision. The K-Means method was utilized on 1,168 toddler growth records to categorize stunting features, whereas the Davies–Bouldin Index (DBI) was employed to evaluate cluster quality. The ideal cluster was attained at k = 8, yielding a DBI value of 4.353, indicating compact and distinctly differentiated clusters. The Naive Bayes classifier subsequently predicted stunting potential with an accuracy of 93.56%, accurately categorizing 218 out of 233 test examples, yielding precision, recall, and F1-score values for the “short” class of 97.41%, 94.95%, and 96.18%, respectively. The findings indicate that the hybrid model successfully combines unsupervised and supervised learning, improving stunting prediction accuracy and cluster interpretability. The research provides a data-centric framework for localized stunting surveillance, aiding community health centers in formulating targeted early treatments and mitigating long-term developmental hazards.
Rule-Based Expert System for Personalized GERD Food Recommendations Using Forward Chaining and Certainty Factor in Indonesia Maulia, Alifani; Purwadi, Purwadi; Kusuma, Bagus Adhi
Jurnal Teknik Informatika (Jutif) Vol. 7 No. 2 (2026): JUTIF Volume 7, Number 2, April 2026
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2026.7.2.5477

Abstract

This study develops a personalized and transparent rule-based expert system to support dietary decision-making for Indonesian patients with gastroesophageal reflux disease (GERD), addressing a critical gap in existing expert-system applications that focus mainly on diagnosis rather than daily diet management. The system integrates knowledge derived from the Indonesian GERD Consensus (2022) and its 2024 addendum with local nutritional evidence to construct if–then rules that classify foods into safe, limit, and avoid categories. A forward-chaining inference engine processes user-specific inputs—including symptoms, trigger sensitivities, eating behaviors, and dietary restrictions—while the Certainty Factor (CF) model quantifies confidence levels to accommodate individual tolerance variability. The system was implemented using Python and deployed through a Gradio-based wizard interface, enabling stepwise data collection and producing Top-N food recommendations with explainable “reason traces.” Functional evaluations across mild, moderate, and severe profiles demonstrated consistent alignment with national dietary guidelines, steering users toward low-fat, non-spicy, soft-textured, and clear-broth menu options, while eliminating high-risk trigger foods. Preliminary expert validation indicated high agreement with guideline principles, emphasizing the system’s interpretability and practical relevance. This research contributes to the field of health informatics by operationalizing forward chaining and CF for personalized dietary support, offering an auditable and computationally efficient alternative to black-box recommendation systems. Future developments include expanding the food dataset, refining CF calibration, and conducting structured clinical validation to enhance performance and applicability in real-world mHealth environments.
Co-Authors A, Argananta Sakha Abda Abda Abdurrahman, Zakaria Husein Adang Sutisna Adhi Pertiwi, Asih Adi Suhendra, Adi Adnan, Achmad Afendy Widayat Agung Prasetyo Agus Suharno Agus Supriyanto Agus wiyanto Akhadiyah Afrila Alfan Muttaqin, Alfan Alhafiz, Afdal Alif Muarifah Aliyah, Hasna Nisa Salma Ameliah, Melsi Amien Wahyudi Amin, Yuliana Fitri Amir, Muhammad Taufiq Ardiansyah Andari, Tania Andhika, Yosua Angelia, Annisa Anindita, Wiwid Dyah Anita Chandra Dewi Sagala, Anita Chandra Dewi Anugerah Yuka Asmara Anwar Sutoyo Arief Wibowo Arif Budi Prasetya Arios, Junior Kevin Aris Budi Prasetyo Arisyanto, Prasena Arujisaputra, Erwin Teguh Arvita Rahmawati Aswindra, Jordy Stephano Aufan, Afgha Azanda, Siti Hanifa Azizah Azizah Bagoes Hendrawan, Juve Baharudin, Rismayada Bahran Taib Bakti Wisnu Widjajani Banafif, Ahmad Syakur Barsei, Adhityo Nugraha Bayu Cahyono Bu'u'lolo, Lusi Mei Budi, Guntur Setyo Budiarti, Menik Cahyanti, Putri Caisar Darma, Dio Catur Setiya Sulistiyana Darma, Dio Datau, Sjahriani Dauni, Popon Dedes Amertaningtyas Deni Suprihadi Devitasari , Bella Dewi, Tyass Puspita Dicky Nofriansyah Dinaseviani, Anggini Dio Caisar Darma Diyah, Dwi Prasetiyawati Djalal Rosyidi Donny Anhar Fahmi Dwi Fatmawati, Dwi Dwi Prasetiyawati D.H. Dwiridhotjahjono, Jojo Dwiyanti, Maftuah Agus Ekawati Danial Elsanadia, Oktolita Endang Lastinawati, Endang Erfiana, Erfin Eudia Christina Wulandari Fahrani, Novi Savarianti Faisal Sunarto, Faisal Faizin, Wahid Nur Fani Ardiani Faradiba, Nadya Farikha, Aniq Fauziah, Mufied Fazira, Siti Nur Firmahandari, Nabila Firman Jaya Firmansyah, Erick Fitri Wijayanti Fitriya Maharani, Lulu Amnah Fuadil Aliya, Khairul Githa Noviana Gribaldi Gribaldi Gultom, Dotcus Gusti Noorlitaria Achmad Hadi Suyono Hadisaputra, Tomo Hadisaputra, Tomo Halomoan, Yosua Andhika Haninah, Mudi Hardi Prasetiawan, Hardi Harefa, Herman Yaarozatulo Hariono, Desrian Hariyadi, Farah Hariyanti, Dwi Prasetiyawati Diyah Harmudin, Gerut Haryadi, Tri Hassan Faiz Hendri Hendri Heni Haryani Herdiansyah, Diki Herlambang, Purnomo Hertasning, Bram Hidayah, Adam Hidayat, Bachtari Alam Huda, Surya Aditya Nuril Husain, Adam Husnul Hadi Husnul Khotimah Rustam Ibnu Fatkhu Royana Idum Satia Santi Ihsan, Moch. Nur Imam Radianto Anwar Setia Putra, Imam Radianto Anwar Setia Imam Santoso Imam Tahyudin Imam Thohari Indarti, Dian Martha Inggita, Azzahra Astrid Ini, Dwi Anggra Intan Rahmawati Intan Shaferi, Intan Irman Hariman Irvan Budhi Handaka, Irvan Budhi IRWANSYAH Irwansyah Irwansyah Ishafit Ishafit Iskoko, Angga Islahunnisa, Hikmah Ismatul Khasanah Iswan, Mochammad Jayanthi, Ria Jayawarsa, A.A. Ketut Jentot Tugiyono kamil erwansyah Kristiyawan, Andi Kurniansyah, Dwi Kurniawan, E. Dody Kusnasari, Sri Kusuma, Bagus Adhi Kusumaningsih, Karti Rahayu Kusumawardhani, Dhian Lasepta, Esterina Lestari, Putri Vidia Lestari, Windi Leydi Silvana, Leydi Lilik Eka Radiati Lumban Gaol, Nur Yanti Lutfi Fitriano, Lutfi M S Rifki, M S M. Kristanto Maharani, Desvita Putri Mahdi, Muhammad Alwan Mariami, Ita Maroeto Maroeto Martiyanti, Dwi Mas?ut, Bilal lutfi Mas’ut, Bilal lutfi Masbiran, Vivi Ukhwatul Maulia, Alifani Maystang, Jeffry Meddy, Delfindo Putra Mei Fita Asri Untari Mendrofa, Nathanael Dean Putra Mila Karmila MOCH ADITYAWARDANA Moch. Arifin Monica, Santa Muchlis Dwi Prasetiyo, Muchlis Dwi Mudzanatun Mudzanatun Muh. Isna Nurdin Wibisana MUHAMMAD ABDUL GHOFUR Muhammad Indika Fathiras Azhami, Muhammad Indika Fathiras Azhami Muhammad Nurhikmat Muhammad Rohmadi Muhammad Wasil Muhliawati, Yeni Mulawarman Mulawarman Muliasari Pinilih, Muliasari mungin eddy wibowo, mungin eddy Muyana, Siti Nabila, Hurin Nailussa'adah, Fina Nana Suryana Nefvian, Moh Edo Nila Kusumaningtyas, Nila Nina Widyawati, Nina Novianti Indah Putri Nugraha, Amalia Nugroho, Agung Nugroho, Arif Djoko Nugrono, Sigit Dwi Nurahmawati, Yustintia Arofa Nurdianto, Mohammad Nurdin, Ade Akhyar Nurhidayat, Ardi Nurhuda Firmansyah Nurjanah, Danik Nurlaili Nurlaili Nurlita Hendiani Nursyahbani, Coryza NURUL HIDAYAH Octaviani Tinarda, Dinda Oktaviani, Feny Oscar Hadikaryana Pandu Kresnapati, Pandu Pandu W, Muhammad Arfianto Pane, Usti Fatimah Sari Sitorus Pembayun, Rida Yeni Perdana, Stevand Putra Perlita, Sabrina Permana, Budi Pradana, Aditya Wisnu Prameswari, Anindya Hayu Pranasari, Melati Ayuning Pranita, Dormi Prasena Arisyanto Prasetyo, Aris Budi Prastowo, Galang Pratama, Meylano Novi Pratiwi, Andini Pratiwi, Resi Prawesti, Yuniar Priani, Pri Okta Priomojo, Moch Tirta Ageng Bambang Pritama, Argiyan Dwi Priyadarshini, Rossyda Purba, Rafilayani Purnomo Edi Sasongko Purwaningsih, Fita Pusvita, Ema Putri Ayu Ogari, Putri Ayu Putri, Peggy Rahmawati Putri, Piranti Herdaning Putri, Reni Anggita Putriyani, Marsella R.Lisye Herlina Rachmadi, Bayu Dwi Rahmat Hidayat Rajagukguk, Santo Paulus Ramadhan, Agus Ramadhan, Arif Ramadhan, Puji Sari Ramdan Hidayat Ranali, Jabir Imron Rashif Hamzah, Hifzan Ratna Wahyu Pusari . . Reghita, Nabila Pramesthi Salma Reza Nugraha, Reza Riadi, Sukisno Selamet Rifki, M. S. Rindiyani, Syafira Riris Setyo Sundari Rofingi, Mutiara Rohmah, Umdah Aulia ROHMAN, FATKUR Romadhoni, Iskhak Rosidah Rosidah Rosmawati, Henny RUBYATUN, RIZA Rudiyono, Denny Rujianto Eko Saputro Sa'diyah, Ummi Nur Halimatus Sabtohadi, Joko Safira, Evi Maya Said Alhadi, Said Sain, Juwita Anggraini Sakalena, Firnawati Salwa, Ananda Lydia Putri Sampeliling, Alexander Santoso, Handri Saputra, Doris Saputra, Rahmat Ponco Adi Sari, Dewiarum Sari, Norma Ika Sari, Risda Novita Sassan Mangopo, Rizna Ketty Sastya, Yessy Sejati, Maulita Nur Selviana Lestari, Sri Septianita, Septianita Setini, Made Setiowiji Handoyo Setyawan Widyarto Setyawan, Danang Aji Setyowati, Aprilia Simandjorang, Bonataon Maruli Timothy Vincent Siti Asmaul Mustaniroh Situmorang, Nina Zulida Siwi Istiana Dinarti, Siwi Istiana Sobirin Sobirin Sodiq, Fery Ahmad Soekamto, Muhammad Bagus Bima Sri Harti Widyastuti Sri Nuraini, Sri Suci Emilia Fitri Sugeng Wahyudiono, Sugeng Suhardi Suhardi Suharsimi Arikunto Suhartati, Tatik Suharyanto Sulistiara, Dita Alya Sulistyawan, Catur sumardin, sumardin Suyono Suyono Syah, Robby Firman Syaharuddin Y, Syaharuddin Y Syaiful Arif Syaiful Bakhri Taufik, Faisal Tini Apriani, Tini Tri Handoko Seto, Tri Handoko Tri Jalmo TRI JAMLO Triawan, Puas TUBAGUS HERLAMBANG, TUBAGUS Tukiran Surbakti Tukiyat Tukiyat, Tukiyat Ummul Hidayah, Debby Utvi Hinda Zahnnisa Wahid Akbar Basudani Wahid Nashihuddin Wahyu Nanda Eka Saputra, Wahyu Nanda Eka Wanti Mindari Warkianto Widjaya Wibisana, Muh Isna Nurdin Widaryo, Chandika Mahendra Widiyanto Widiyanto Widyantoro, Arief Widyawati, Shalsa Bela Dwi Wijaya, Kemal Wilantika, Rima Winata, Hendryan Wisma, Damai Surya Witra Apdhi Yohanitas Wiyanjana, Mahanani Ilham Denta Y, Syaharuddin Y Y., Syaharuddin Yakub, Suardi Yani Yani Yogi Saputra, Yogi Yudanto, Satyo Yuniar Wardani Yuniasih, Betti Yunita, Ika Romadoni zulfahmi, luthfi Zulkifli Ahmad Zulkifli Lubis