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All Journal Techno.Com: Jurnal Teknologi Informasi JURNAL PENGABDIAN KEPADA MASYARAKAT Sistemasi: Jurnal Sistem Informasi Sinkron : Jurnal dan Penelitian Teknik Informatika RABIT: Jurnal Teknologi dan Sistem Informasi Univrab JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING MODELING: Jurnal Program Studi PGMI IT JOURNAL RESEARCH AND DEVELOPMENT PROCESSOR Jurnal Ilmiah Sistem Informasi, Teknologi Informasi dan Sistem Komputer Jurnal Teknik Informatika UNIKA Santo Thomas INTECOMS: Journal of Information Technology and Computer Science Zero : Jurnal Sains, Matematika, dan Terapan ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA JISTech (Journal of Islamic Science and Technology) AXIOM : Jurnal Pendidikan dan Matematika Jurnal Teknologi Sistem Informasi dan Aplikasi IJISTECH (International Journal Of Information System & Technology) KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) The IJICS (International Journal of Informatics and Computer Science) JURIKOM (Jurnal Riset Komputer) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Kurawal - Jurnal Teknologi, Informasi dan Industri Jurnal Riset Informatika AL-ULUM: JURNAL SAINS DAN TEKNOLOGI Jurnal Ilmiah Binary STMIK Bina Nusantara Jaya Jurnal Review Pendidikan dan Pengajaran (JRPP) Progresif: Jurnal Ilmiah Komputer Jurnal Informatika dan Rekayasa Elektronik JSR : Jaringan Sistem Informasi Robotik Jatilima : Jurnal Multimedia Dan Teknologi Informasi Jurnal Teknik Informatika C.I.T. Medicom G-Tech : Jurnal Teknologi Terapan Science Midwifery JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) JIKA (Jurnal Informatika) INFOKUM Community Development Journal: Jurnal Pengabdian Masyarakat TIN: TERAPAN INFORMATIKA NUSANTARA U-NET Jurnal Teknik Informatika Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) MEANS (Media Informasi Analisa dan Sistem) Journal of Computer Networks, Architecture and High Performance Computing Idealis : Indonesia Journal Information System JiTEKH (Jurnal Ilmiah Teknologi Harapan) IJISTECH Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) Jurnal Pendidikan dan Teknologi Indonesia Journal La Multiapp Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD Bulletin of Computer Science Research KLIK: Kajian Ilmiah Informatika dan Komputer Instal : Jurnal Komputer J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Info Sains : Informatika dan Sains Jurnal Mandiri IT International Journal Software Engineering and Computer Science (IJSECS) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Jurnal Armada Informatika Journal of Information Systems and Technology Research Jurnal Sains dan Teknologi JOMLAI: Journal of Machine Learning and Artificial Intelligence Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Innovative: Journal Of Social Science Research JURNAL ILMIAH SAINS TEKNOLOGI DAN INFORMASI Jurnal Komputer Antartika Scientica: Jurnal Ilmiah Sains dan Teknologi Jurnal Ilmu Komputer dan Sistem Informasi Jurnal Pengabdian Masyarakat Bigint Computing Journal Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Jurnal Ilmiah Nusantara Modem : Jurnal Informatika dan Sains Teknologi Polygon: Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam Neptunus: Jurnal Ilmu Komputer dan Teknologi Informasi Teknologi : Jurnal Ilmiah Sistem Informasi Algebra : Jurnal Pendidikan Sosial dan Sains
Abdul Halim Hasugian
Unversitas Islam Negeri Sumatera Utara
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IMPLEMENTASI KRIPTOGRAFI KOMBINASI ALGORITMA VIGENERE CIPHER DAN REVERSE CIPHER UNTUK KEAMANAN TEKS PADA APLIKASI CATATAN PRIBADI BERBASIS ANDROID Muhammad Faisal Siregar; Abdul Halim Hasugian; Suhardi Suhardi
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 7 No. 4 (2024): November 2024
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v7i4.2359

Abstract

Abstract: Cryptography (Cryptography) is the science and art of keeping messages safe. (Cryptography is the art and science of keeping messages secure) "Crypto" means "secret" and "graphy" means "writing". The perpetrators or practitioners of cryptography are called cryptographers. A cryptographic algorithm, called a cipher, is a mathematical equation used for the encryption and decryption processes. Usually the two mathematical equations (for encryption and description) have a fairly close mathematical relationship. In cryptography, text messages can be disguised with various methods so that the message can only be understood by certain people. These methods have their own techniques and solutions. Several methods of securing text messages are by using the Reverse Cipher and Vigenere Cipher algorithms. In today's modern era, the development of technology is increasing rapidly, especially in terms of communication. Due to the rapid development of technology, there are currently many cases related to the misuse of technology in criminal acts. One of the most frequent cases is the theft of personal information, up to confidential documents. Computers as a means of storing and sending important and confidential data, information and documents can often be easily accessed by irresponsible people. Several cases involving computer security are currently a job that requires such a large amount of handling and security costs. Keywords: Cryptography, Reverse Cipher, Vigenere Cipher, Description, Encryption Abstrak: Kriptografi (Cryptography) merupakan ilmu dan seni untuk menjaga pesan agar aman. (Cryptography is the art and science of keeping messages secure) “Crypto” berarti “secret” (rahasia) dan “graphy” berarti “writing” (tulisan). Para pelaku atau praktisi kriptografi disebut cryptographers. Sebuah algoritma kriptografik (cryptographic algorithm), disebut cipher, merupakan persamaan matematik yang digunakan untuk proses enkripsi dan deskripsi. Biasanya kedua persamaan matematik (untuk enkripsi dan deskripsi) tersebut memiliki hubungan matematis yang cukup erat. Pada kriptografi, pesan teks dapat disamarkan dengan berbagai macam metode agar pesan tersebut hanya bisa dimengerti oleh orang-orang tertentu. Metode-metode tersebut memiliki teknik dan cara penyelesaiannya tersendiri. Beberapa metode pengamanan pesan teks tersebut adalah dengan menggunakan algoritma Reverse Cipher dan Vigenere Cipher. Di era modern saat ini, perkembangan teknologi semakin pesat terutama dalam hal berkomunikasi. Karena pesatnya perkembangan teknologi, saat ini telah banyak kasus yang berkaitan dengan penyalahgunaan teknologi dalam tindakan kriminal. Salah satu yang paling sering terjadi adalah pencurian informasi pribadi, hingga dokumen-dokumen rahasia. Komputer sebagai sarana penyimpanan dan pengiriman data, informasi, dan dokumen yang penting dan rahasia sering dapat dengan mudah diakses oleh orang yang tidak bertanggungjawab. Beberapa kasus menyangkut keamanan komputer saat ini menjadi suatu pekerjaan yang membutuhkan biaya penanganan dan pengamanan yang sedemikian besar. Kata kunci: Kriptografi, Reverse Cipher, Vigenere Cipher, Deskripsi, Enkripsi 
PENERAPAN ALGORITMA BRUTE FORCE PADA APLIKASI PENERJEMAH BAHASA INDONESIA - BAHASA MANDAILING BERBASIS MOBILE Ayu Sahriani Dalimunthe; Mhd. Furqan; Abdul Halim Hasugian
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 8 No. 2 (2025): May 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i2.3128

Abstract

Abstract: Language is a means to communicate. Knowledge of language is very important because in a conversation or conversation requires a language. In Indonesia, there are many various regional languages, including the Mandailing language. Mandailing language is one of the regional languages in South Tapanuli, North Sumatra. The use of regional languages has experienced a lot of decline in use in the language of everyday communication. Preserving regional languages is very necessary in the midst of increasingly rapid technological developments. Dictionary media can be a solution to introduce various regional languages in Indonesia. In this study, the design and development of the Indonesian-Mandailing Translator Application was carried out with the application of the Mobile-based Brute Force Algorithm. This application was built using Android Studio software using the Java programming language and XML. The database used to store data for the Batak Mandailing-Indonesian translator is a SQLite database so that the application can be used offline. Applications that are designed in a user friendly manner can perform the search function for Indonesian-Mandailing and Mandailing-Indonesian Vocabulary, making it easier for users to operate them. Keywords: Mandailing language, dictionary, Brute Force Algorithm, Android                  Application Abstrak: Bahasa merupakan sarana untuk berkomunikasi. Pengetahuan bahasa sangatlah penting karena dalam sebuah percakapan atau pembicaraan memerlukan sebuah bahasa. Di Indonesia ada banyak beragam bahasa daerah diantaranya adalah Bahasa Mandailing. Bahasa Mandailing merupakan salah satu bahasa daerah bagian Tapanuli Selatan, Sumatera Utara. Penggunaan bahasa daerah telah mengalami banyak penurunan penggunaan dalam bahasa komunikasi sehari-hari. Melestarikan bahasa daerah sangat perlu ditengah perkembangan teknologi yang semakin pesat. Media kamus dapat menjadi solusi untuk mengenalkan beragam bahasa daerah yang ada di Indonesia. Dalam penelitian ini dilakukan perancangan dan membangun Aplikasi Penerjemah Bahasa Indonesia-Mandailing dengan penerapan Algoritma Brute Force berbasis mobile. Aplikasi ini dibangun menggunakan perangkat lunak Android Studio menggunakan bahasa pemrograman Java dan XML. Database yang digunakan untuk menyimpan data penerjemah bahasa Batak Mandailing-Indonesia adalah SQLite database sehingga aplikasi dapat digunakan secara offline. Aplikasi yang dirancang secara user friendly dapat melakukan fungsi pencarian Kosa kata Bahasa Indonesia - Mandailing dan Mandailing - Indonesia sehingga memudahkan para pengguna dalam mengoperasikannya. Kata kunci: Bahasa Mandailing, Kamus, Aplikasi Android 
IMPLEMENTASI ALGORITMA HILL CIPHER DAN DISCRETE COSINE TRANSFORM DALAM KEAMANAN PESAN E-MAIL Sri Wulan; Abdul Halim Hasugian; Suhardi Suhardi
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 8 No. 2 (2025): May 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i2.3144

Abstract

Abstract: Regarding the security of email messages is very important in the digital era. So much data is sent via email every day. To improve the security of email messages, effective solutions can be applied to the Hill Cipher and Discrete Cosine Transform (DCT) algorithms. Hill Cipher is a classic encryption method that uses matrices to transform text. The combination of matrix operations can be decrypted without knowing the correct encryption key. Discrete cyclosine transform is a transformation method used in compressive images. In this study, we propose a combination of Hill cipher and DCT to protect email messages. Email messages are encrypted using the Hill Cipher algorithm, and the result is converted to the frequency domain using DCT. The step of improving upload security combines two mathematically different encryption methods. In addition, changing the frequency domain of the message reduces the success of attacks on the ciphertext. The researchers evaluated the performance of this combination of algorithms in terms of email message security, efficiency, encryption, decryption, and its impact on communication overhead. The Hill Cipher algorithm on messages in the form of voucher codes, speed and efficiency in cryptographic categorization are relatively fast, and for the insertion process with DCT, the MSE value is 130169.10 and the PSNR is -3.014 on an 8x8 image and 130169.10. 15920 x MPS. The combination of Hill Cipher and DCT is expected to improve the security of email messages without having a significant impact on system performance. Keyword: E-mail; Hill Cipher; Algoritma; DCT; Data Security Abstrak: Mengenai keamanan pesan email sangat penting di era digitalisasi. Begitu banyak data yang dikirim melalui email setiap hari. Untuk meningkatkan keamanan pesan email, solusi efektif dapat diterapkan pada algoritma Hill Cipher dan Discrete Cosine Transform (DCT). Hill Cipher adalah metode enkripsi klasik yang menggunakan matriks untuk mengubah teks. Kombinasi operasi matriks dapat didekripsi tanpa mengetahui kunci enkripsi yang benar. Transformasi siklosin diskrit adalah metode transformasi yang digunakan dalam gambar kompresif. Dalam studi ini, kami mengusulkan kombinasi kata sandi Hill dan DCT untuk melindungi pesan email. Pesan email dienkripsi menggunakan algoritma Hill Cipher, dan hasilnya diubah ke domain frekuensi menggunakan DCT. Langkah meningkatkan keamanan pengunggahan menggabungkan dua metode enkripsi yang secara matematis berbeda. Selain itu, mengubah domain frekuensi pesan mengurangi keberhasilan serangan terhadap ciphertext. Para peneliti mengevaluasi kinerja kombinasi algoritma ini dalam hal keamanan pesan email, efisiensi, enkripsi, dekripsi, dan dampaknya terhadap overhead komunikasi. Algoritma Hill Cipher pada pesan berupa kode voucher kecepatan dan efisiensi dalam kategorisasi kriptografi tergolong cepat, dan untuk proses penyisipan dengan DCT diperoleh nilai MSE sebesar 130169.10 dan PSNR sebesar -3.014 pada citra berukuran 8x8 dan 130169.10. 15920 x MPS. Kombinasi Hill Cipher dan DCT diharapkan dapat meningkatkan keamanan pesan email tanpa berdampak signifikan pada kinerja sistem. Kata kunci: E-mail; Hill Cipher; Algoritma; DCT; Keamanan Data 
Performance Evaluation of BPCS Steganography for Identity Data Embedding in Academic Certificate Images Suhardi Suhardi; Abdul Halim Hasugian
Bigint Computing Journal Vol 4 No 2 (2026)
Publisher : Ali Institute of Reseach and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/bigint.v4i2.1850

Abstract

Digital academic certificates require protection against unauthorized manipulation while preserving their visual appearance. This study evaluates Bit Plane Complexity Segmentation (BPCS) as a covert identity-data embedding layer for certificate images. The MATLAB implementation converts Pure Binary Code to Canonical Gray Code, partitions bit-planes into 8 × 8 blocks, and embeds payloads in regions whose complexity exceeds a selected threshold. Performance was assessed through threshold sensitivity, payload scaling, grayscale and RGB comparison, a 40,000-bit large-payload feasibility test, consistency across five genuine certificate images, and robustness under common image manipulations. Under pristine lossless conditions, the tested payloads were recovered exactly and stego-image quality remained high, with PSNR values from 68.53 to 84.49 dB. On five genuine certificates, mean PSNR was 83.46 dB with a standard deviation of 0.63 dB. Embedding capacity declined sharply when the complexity threshold exceeded 0.5, while RGB offered additional theoretical capacity. However, resizing, cropping, rotation, noise, blur, and brightness changes produced substantial bit errors or extraction failure. The results therefore support BPCS as a high-capacity, low-distortion data-hiding layer for controlled lossless certificate workflows, but not as a standalone authentication or manipulation-robust security mechanism.
Penerapan Algoritma K-Means Untuk Klasterisasi Pasien Berdasarkan Data Penyakit Ghufron Makmun Lbs; Abdul Halim Hasugian
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 5 No. 3 (2026): September 2026
Publisher : LKP Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/jirsi.v5i3.713

Abstract

Sibuhuan Community Health Center (Puskesmas Sibuhuan) experiences a continuous increase in patient visit data every month. However, the utilization of these data is still limited to administrative reporting, resulting in the underutilization of information regarding patient group characteristics. This study aims to implement the K-Means algorithm for patient clustering and to identify patient characteristic patterns based on age, gender, and disease variables. This research employed a quantitative method with a data mining approach. The data used were secondary data consisting of 1,000 patient visit records from Puskesmas Sibuhuan during the January 2026 period. Following data cleaning, 104 records containing missing values were removed, resulting in 896 records used for the clustering process. The research stages included data preprocessing, Min-Max normalization, determining the optimal number of clusters using the Elbow Method, clustering using the K-Means algorithm, and evaluating the clustering results using the Silhouette Coefficient. The results showed that the optimal number of clusters was three, Cluster 0 consisted of 423 patients, predominantly diagnosed with diseases of the respiratory, digestive, and circulatory systems. Cluster 1 comprised 320 patients, with the most prevalent diagnoses involving symptoms, signs, and abnormal clinical findings, as well as pregnancy, childbirth, and the puerperium. Cluster 2 consisted of 153 patients, predominantly diagnosed with infectious and parasitic diseases, endocrine, nutritional and metabolic diseases, and mental and behavioral disorders. The evaluation produced a Silhouette Coefficient value of 0.6384, indicating that the clustering results were of good quality. The findings of this study are expected to provide supporting information for Puskesmas Sibuhuan in identifying patient group characteristics and to assist in planning more targeted healthcare services.
User Experience Evaluation of the Mobile JKN Application Using the System Usability Scale (SUS) and K-Means Clustering Khaila Mukti Harahap; Abdul Halim Hasugian
International Journal Software Engineering and Computer Science (IJSECS) Vol. 6 No. 2 (2026): AUGUST 2026
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA), Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v6i2.7579

Abstract

The Mobile JKN application developed by BPJS Kesehatan provides digital access to healthcare administration services in Indonesia. However, users continue to report difficulties when interacting with the application. This study evaluated the usability of Mobile JKN and examined user experience patterns by combining the System Usability Scale (SUS) with K-means clustering. Data were collected through an online questionnaire completed by 550 respondents in Medan who reported experience using the application. The mean SUS score was 50.13, which was classified as Poor and Grade D under the interpretation framework adopted in this study. Among the four UX dimensions, Efficiency received the lowest score at 53.15 out of 100, followed by Ease of Use at 55.14, System Reliability at 56.38, and User Satisfaction at 57.42. The three-cluster solution produced different score profiles: Cluster 0 (Fairly Satisfied) had a mean SUS score of 60.09 and comprised 168 respondents; Cluster 1 (Somewhat Dissatisfied) had a mean score of 47.61 and comprised 201 respondents; and Cluster 2 (Dissatisfied) had a mean score of 43.69 and comprised 181 respondents. Efficiency and ease of use were therefore the dimensions receiving the least favorable evaluations. Combining SUS with K-means revealed variations across the overall usability score and the four UX dimensions that were not represented by the aggregate SUS score alone. However, the low Silhouette Score indicated weak separation among the clusters; therefore, the resulting profiles should be interpreted as exploratory patterns that can guide further usability evaluation rather than as definitive user segments
Co-Authors Abdillah, Ibnu Faiz Adam Damiri Manurung Adi Hartono Aditya Maulana Azanzi Girsang Afandi Sahputra Afiksih, Mufliha Afriani, Dina Aidil Halim Lubis Aidil Halim Lubis Ajeng Dwi Pratiwi Alfarizi, Muhammad Alhabib, Muhammad Farhan Ali Darta Ali Ikhwan Alwy Azyari Harahap Amalia Daulay, Rizki Amelia Anggraini, Arizka Anggraini, Sindi Annisa Shafira Zuhri Apriani, Puja Arif, Mhd. Fakhrozi Armansyah Armansyah Armansyah Armansyah Armansyah Aruan, Nur Jamilah Asrul Suwondo AULIA, RIZKA Auliani, Wirna Rizka Ayu Sahriani Dalimunthe Azhar, Joehari Azhari, Wahyu Bagus Januar Bandaharo, Bandaharo Bermiko Kasah Padang Bunga Nurul Manisa Dalimunthe, Ayu Sahriani Dandi Darmansyah Dea Amallia Deni Fahrizal Desy Ramadhani Lubis Dewi Afrianti Dharma, Fahri Dinda Zukhoiriyah Donny Dwi Putra Eferoni Ndururu Elsa Azila Rahman Elvida Futri Mahara Fahmi Fakhriza, M. Fakhrurrozi Nst Farah Zaida Gema Ramadhan Ghufron Makmun Lbs Gilang Armawan Saka Ginting, Masitha Putri Ardhana Girsang, Aditya Maulana Azanzi Gunawan, Gunawan Hanny Puput Eliyarista Saragih Harahap, Muhammad Fitrah Affandi Harahap, Nasywa Al Afif Hasibuan, Ardina Khoirunnisa Helmi Gunawan Hendra Cipta Heni Pujiastuti Heri Santoso Heri Santoso Heri Santoso HERI SUSANTO Hidayah, Adinda Fita Hidayati, Risma Hsb, Munawir Siddik Ibnu Faiz Abdillah Ibnu Rusydi Ikhsan, Muhammad Ilham Ilham Ilka Zufria Imam Zaki Husein Nst Irawan, Muhammad Arief Irene Sri Morina Januar, Bagus K Khairunnisa Khaidir Hanafi Khaila Mukti Harahap Khairuna Khairuna Khairunnisa, K Kusuma, Sintiawati Lubis, Akbar Maulana Lubis, Desy Ramadhani Lubis, Indah Alfitri M Mahyudi M. Fakhriza M. Khalil Gibran M. RIZKY RAMADHAN M.Alif Fahrezy Mahara, Elvida Futri Maimunah Rahmadani Marpaung, Rizq Alwi Marwah, Khoirul Wijak Alfaizh Maulida, Dzikra Maya Khairani Mhd Furqan Mhd Ikhsan Rifki Mhd Rafly Syah Pahlevi Mhd. Furqan Miftahul Jannah Mikho Alfatih Harahap Muhammad Ezar Raditya Muhammad Faisal Siregar Muhammad Ikhsan Muhammad Ikhsan Muhammad Ridzki Hasibuan Muhammad Sayuthi Muhammad Siddik Hasibuan Muhammad Suhery Muhammad Syahuda Hasibuan Mulya Alfan Simatupang Murdani Mutiara Sintia Dewi Nadyah Almirah Simanjuntak Nasrul Mahruf Aznawi Nasution, Yurika Nst, Fakhrurrozi Nurmaiyah Nurmaiyah OK Muhammad Zikri Fadillah Ong, Russell Pazri Pazri Prasetio, Muhammad Aditya Prayoga, M. Irsan Pristiwanto, Pristiwanto Putri Hanifah Putri, Cindy Ananda Putri, Pebriani Rahadian Fatta Batubara Rahmad Prayogi Harahap Rahmawati Rahmawati Raissa Amanda Putri Rajani, Attila Rakhmat Kurniawan R Ramadhani, Muthia Ramadhani, Silvia Rano, Rano Irawan Reza Muhammad Rijal, Mhd. Nanda Khairul Rina Anggraini Rina Anggraini, Rina Rina Widyasari Rino Ariansyah Rizki Ali Akbar Pasaribu Rizki Amalia Rizky Pratama Putra Rizky Ramadhan Rizqi Hidayat Tanjung RR. Ella Evrita Hestiandari Ryo Vikri Alif S, Amri Yuda Sabuki, Robi Saefuddin, Anan Saka, Gilang Armawan Sela, Dhea Shania Oktawijaya Sheila Safira Siahaan, Ahmad Taufik Al Afkari Simanjuntak, Salmah Simatupang, Aidil Akbar Sintiawati Kusuma Siregar, Muhammad Faisal Siregar, Nora Arianti Siti Hayatul Fauziah Ritonga Siti Juhroini Ritonga Siti Nurhaliza Sofyan Siti Sumita Harahap Sitorus, Ridha Saryani Situmorang, Rantouli Solifiah Batubara, Febi Sri Wulan Sri Wulan, Sri Sriani Sriani Sriani Sriani, S Suandi Padang Suendri Suendri, Suendri Suhardi Suhardi Suhardi, Suhardi Sulindawaty Syahrina Indah Harahap T. Raihan Yudisthira TONNI LIMBONG Tria Elisa Ulfah, Auliana Wahyudi, Zul Attoriq Farhan Wanda Windary Wina Fadia Ardianti Yani, Sri Suci Yazid Hulaini Habbani Nasution Yusuf Karim Rambe Yusuf Ramadhan Nasution Yusuf Ramadhan Nasution Yusuf Ramadhan Nasution Yusuf Ramadhan Nasution, Yusuf Ramadhan Zaidan, Muhammad Zidanul Akbar Ziqra Addilah