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All Journal Sainmatika: Jurnal Sains dan Matematika JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Daya Matematis Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Edumatsains Sinkron : Jurnal dan Penelitian Teknik Informatika Desimal: Jurnal Matematika Jurnal SOLMA SAMARAH: Jurnal Hukum Keluarga dan Hukum Islam Justek : Jurnal Sains Dan Teknologi JTAM (Jurnal Teori dan Aplikasi Matematika) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Sisfokom (Sistem Informasi dan Komputer) Zeta - Math Journal Zero : Jurnal Sains, Matematika, dan Terapan ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA JISTech (Journal of Islamic Science and Technology) Jurnal Ilmiah Media Sisfo JURNAL MathEdu (Mathematic Education Journal) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Symmetry: Pasundan Journal of Research in Mathematics Learning and Education M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Mawaizh : Jurnal Dakwah dan Pengembangan Sosial Kemanusiaan Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Imajiner: Jurnal Matematika dan Pendidikan Matematika Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Teknik Informatika C.I.T. Medicom INFOKUM Takammul : Jurnal Studi Gender dan Islam Serta Perlindungan Anak Majalah Ilmiah Matematika dan Statistika (MIMS) Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Journal of Computer Networks, Architecture and High Performance Computing Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Asy Syar'iyyah: Jurnal Ilmu Syari'ah dan Perbankan Islam Asimetris: Pendidikan Matematika dan Sains Tawshiyah: Jurnal Sosial Keagamaan dan Pendidikan Islam FARABI: Jurnal Matematika dan Pendidikan Matematika Leibniz: Jurnal Matematika Jurnal Ilmiah Mahasiswa Perbankan Syariah (JIMPA) Journal of Mathematics and Scientific Computing With Applications International Journal of Science and Society (IJSOC) Jurnal Pijar MIPA East Asian Journal of Multidisciplinary Research (EAJMR) Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Riset Matematika JYRS: Journal of Youth Research and Studies Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Journal Keperawatan Abdimas Indonesian Journal JEBI (Jurnal Ekonomi dan Bisnis Islam) International Conference on Sciences Development and Technology Jurnal Rumpun Ilmu Kesehatan International Journal of Science and Environment Klinik: Jurnal Ilmiah Kedokteran dan Kesehatan International Journal of Health, Engineering and Technology Journal of Educational Innovation and Public Health Jurnal Ilmu Kedokteran dan Kesehatan Indonesia Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education Jurnal Penelitian Progresif (JPP) Jurnal Pengabdian Masyarakat Ekonomi dan Bisnis Digital Jurnal Kebijakan Pembangunan Daerah (JKPD) Bilangan: Jurnal Ilmiah Matematika, Kebumian dan Angkasa Society Al-bank: Journal of Islamic Banking and Finance Semeru Jurnal Pengabdian Masyarakat Jurnal Jendela Matematika Fathana: Jurnal Psikologi Ar-Raniry Madania: Jurnal Kajian Keislaman Jurnal Ilmu Kedokteran dan Kesehatan Indonesia Journal of Industrial Engineering and Management
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THE USE OF HILL CLIMBING ALGORITHM IN GRAPHIC INFORMATION SYSTEM TO FIND THE SHORTEST ROUTE FOR WASTE TRANSPORTATION IN MEDAN DENAI DISTRICT Putri Harahap, Rahmelia; Syafitri Lubis, Riri; Cipta, Hendra; Syahputri, Linna
Journal of Mathematics and Scientific Computing With Applications Vol. 6 No. 1 (2025)
Publisher : Pena Cendekia Insani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53806/jmscowa.v6i1.992

Abstract

Factors causing environmental damage/disaster include internal and external damage. By maximizing the transportation system, we are able to address the social issues optimally so that we provide more positive impacts on public health, environmental health, and urban beauty. Factors related to distribution can make decisions about the routes of transportation. The purpose of this research is to optimize the route of truck transportation using the Hill Climbing Algorithm in the District of Medan Denai from one point to another towards the construction site of the Sentairai. Based on the results of this study, it shows that the route of truck transport to the top with a graphical information system using Ailgorithm Hill Climbing, the route of truck transport to the top with a graphical information system using Ailgorithm Hill Climbing in the District of Medan Aireai with the shortest route for transport to the top is through a route with a total distance of 32.25 km with a travel time of 85 minutess and a total time of 8 hours 20 minutess, namely through: Start Point (Kantor Camat Medan Area) - Pandau Hulu II Village - Kotamatsum II Village - Pasar Merah Timur Village - Kotamatsum III Village - Tegal Sari III Sub-district – Tegal Sari I Sub-district – Sei Rengas Permata Sub-district – Tegal Sari II Sub-district – Sei Rengas II Sub-district – Sukaramai II Sub-district – Sukaramai I Sub-district – Kotamatsum I Sub-district and TPA.
Analisis Model SEIRS pada Penderita Diabetes Melitus Tipe-2 menggunakan Metode Runge Kutta Orde-4 Ahmad Ali Nasution; Hendra Cipta; Rina Widyasari
Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa Vol. 3 No. 2 (2025): Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/bilangan.v3i2.476

Abstract

Type 2 Diabetes Mellitus (T2DM) is a chronic metabolic disorder characterized by elevated blood glucose levels due to insulin resistance or impaired insulin secretion. Optimal dietary management plays a crucial role in maintaining blood glucose stability. This study analyzes an optimal control model of dietary patterns in the treatment of T2DM using the Runge-Kutta 4th Order (RK4) method. Simulation results show that optimal regulation of calorie intake and glycemic index significantly helps maintain blood glucose levels within the normal range. This study is expected to serve as a reference for medical professionals and nutritionists in designing diet strategies based on mathematical models to enhance the effectiveness of T2DM treatment.
The Relationship Between Internal Locus of Control and Altruistic Behavior Among Students of the Faculty of Teacher Training and Education, Syiah Kuala University, Banda Aceh Islamiyah, Annisa Rizka; Barmawi, Barmawi; Ulfah, Marina; Cipta, Hendra
Fathana Vol. 2 No. 1 (2024): Fathana: Jurnal Psikologi Ar-Raniry
Publisher : Faculty of Psychology, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/fjpa.v2i1.508

Abstract

As students of the Faculty of Teacher Training and Education (FKIP), it is important to possess altruistic behavior. Those who choose to study in FKIP are individuals who aspire to become teachers. One of the main reasons people choose the teaching profession is their desire to help others, which reflects altruistic behavior. According to Stinnett (1968), the teaching profession is characterized as a vocation motivated by the need to help others rather than by financial gain. One of the factors influencing altruistic behavior is internal locus of control. This study aims to determine the relationship between internal locus of control and altruistic behavior among students of the Faculty of Teacher Training and Education (FKIP), Syiah Kuala University, Banda Aceh. The research employed a quantitative approach with a correlational method. The population consisted of 6,706 students, with a sample of 332 students selected using the simple random sampling technique. The instruments used in this study were the Internal Locus of Control Scale and the Altruistic Behavior Scale. Data analysis was conducted using the Pearson Product-Moment Correlation test. The results showed a positive and significant relationship between internal locus of control and altruistic behavior among FKIP students at Syiah Kuala University, with a Pearson correlation coefficient of r = 0.830 and a significance value of p = 0.000 (p < 0.05). This indicates that the higher the internal locus of control, the higher the level of altruistic behavior, and conversely, the lower the internal locus of control, the lower the altruistic behavior.
Compliance Among Nurses Using Personal Protective Equipment in The Hospital: Literature Study Julianto, Rahmad; Desiana, Desiana; Hanum, Lathifah; Cipta, Hendra
Journal Keperawatan Vol. 4 No. 1 (2025): May 2025
Publisher : Poltekkes Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58774/jourkep.v4i1.105

Abstract

Background: Hospital-acquired nosocomial infections, which cause more than 100,000 patient deaths each year, are often associated with poor nurse compliance with prevention guidelines, including the use of Personal Protective Equipment (PPE). Compliance with PPE effectively reduces the risk of infection, but several studies have shown low levels of nurse compliance, associated with unfavorable work environments, high workloads, and lack of knowledge and competence. Following the Covid-19 pandemic, compliance with PPE has become increasingly important in preventing the spread of infectious diseases. Purpose: To determine the factors related to the level of nurse compliance in using PPE. Methods: This study uses a literature study method to explore factors related to the level of nurses' compliance in using PPE. Data were taken from articles published from January 2023 to January 2024 through the Pubmed National Library of Medicine database. Article searches were limited by the criteria of articles having full text, in English, and keywords used in the search including compliance, nurses, personal protective equipment (PPE), and nosocomial infections. Results: Research shows that nurses' knowledge, attitudes, behaviors, education, training, and motivation play a significant role in increasing awareness of PPE use. In addition, adequate provision of PPE, supporting facilities, safety culture, hospital organizational commitment, and government regulations also determine compliance. Conclusion: Although the availability of PPE facilities is a major contribution to prevention, nurse preparedness is needed to reduce disease transmission and ensure that the health care system continues to function during times of crisis, especially during the spread of infectious diseases.
THE USE OF HILL CLIMBING ALGORITHM IN GRAPHIC INFORMATION SYSTEM TO FIND THE SHORTEST ROUTE FOR WASTE TRANSPORTATION IN MEDAN DENAI DISTRICT Putri Harahap, Rahmelia; Syafitri Lubis, Riri; Cipta, Hendra; Syahputri, Linna
Journal of Mathematics and Scientific Computing With Applications Vol. 6 No. 1 (2025)
Publisher : Pena Cendekia Insani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53806/jmscowa.v6i1.992

Abstract

Factors causing environmental damage/disaster include internal and external damage. By maximizing the transportation system, we are able to address the social issues optimally so that we provide more positive impacts on public health, environmental health, and urban beauty. Factors related to distribution can make decisions about the routes of transportation. The purpose of this research is to optimize the route of truck transportation using the Hill Climbing Algorithm in the District of Medan Denai from one point to another towards the construction site of the Sentairai. Based on the results of this study, it shows that the route of truck transport to the top with a graphical information system using Ailgorithm Hill Climbing, the route of truck transport to the top with a graphical information system using Ailgorithm Hill Climbing in the District of Medan Aireai with the shortest route for transport to the top is through a route with a total distance of 32.25 km with a travel time of 85 minutess and a total time of 8 hours 20 minutess, namely through: Start Point (Kantor Camat Medan Area) - Pandau Hulu II Village - Kotamatsum II Village - Pasar Merah Timur Village - Kotamatsum III Village - Tegal Sari III Sub-district – Tegal Sari I Sub-district – Sei Rengas Permata Sub-district – Tegal Sari II Sub-district – Sei Rengas II Sub-district – Sukaramai II Sub-district – Sukaramai I Sub-district – Kotamatsum I Sub-district and TPA.
OPTIMASI PENDISTRIBUSIAN BERAS DENGAN PENERAPAN METODE IMPROVED ZERO POINT METHOD PADA PERUM BULOG KANTOR CABANG MEDAN Muhammad Alfi Syahri Harahap; Cipta, Hendra; Widyasari, Rina
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3317

Abstract

This study discusses the Implementation of the Improved Zero Point Method in optimizing the distribution of rice at Perum Bulog Medan Branch Office with the goal to be achieved, namely, optimizing or minimizing the cost of distributing rice. In this study, problem solving was solved using the North West Corner Method as the initial solution, and the Improved Zero Point Method as the optimal solution. The results of this study obtained an initial solution, namely, Rp. 11,619,850, then we calculate using the optimal solution we get a reduction in distribution costs of Rp. 8,089,900.
Faktor-Faktor Yang Mempengaruhi Minat Siswa SMA Untuk Melanjutkan Pendidikan Ke Perguruan Tinggi dengan Latent Class Regression Analysis Sinaga, Melly Nia Fajriani; Dur, Sajaratud; Cipta, Hendra
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3476

Abstract

Interest is an internal component within an individual that greatly influences his actions. Education is the process of changing the attitudes and behavior of a person or group in an effort to mature a person through teaching or training. The aim of this research is to determine the factors that influence high school students' interest in continuing their education to higher education using the latent class regression analysis method. The latent class regression analysis method can determine the influence of accompanying variables or covariates in the formation of latent classes. The most dominant factors influencing high school students' interest in continuing their education to higher education are needs, facilities and attention. In the first class the influencing factor is need. In the second and third classes the influencing factor is facilities. In the fourth class the influencing factor is attention.
Analisis Sentimen Jasa Ekspedisi Pengiriman Barang Menggunakan Metode Naive Bayes Matondang, Agnes Febrianti; Dur, Sajaratud; Cipta, Hendra
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3653

Abstract

Based on the comment data that has been collected through data provided by the Nugraha Eka Courier route regarding serivce to customers, a sentiment analysis will e carried out to determine positive and negative comments. The collected data is divided to be used as training data and testing data for the classification process which is supported by the rapidminer application. The method used for clarification in this study is the Naïve Bayes method. This study aims to get the value of service accuracy based on comments given by the community. The results showed that the naïve bayes method was able to classify the comments that had been collected by getting an accuracy value for positive comments of 82,25% for negative comments getting an accuracy value of 17,75%. It is avident that the proposed method can be used to classify the services of the Nugraha Eka courier (JNE) line through the comments that have been collected.
Pendekatan Regresi Spline Multivariabel untuk Pemodelan Indeks Ketahanan Pangan Provinsi Sumatera Utara Zulaika, Zulaika; Cipta, Hendra; Siregar , Machrani Adi Putri
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i2.3666

Abstract

Food security is a condition where food is fulfilled for a household which is reflected in the availability of sufficient food both in terms of quantity and quality, safe, and equitable and affordable. In Government Regulation No. 38 of 2007 Food security has become a basic prerequisite that must be owned by autonomous regions where food security is a mandatory matter for the central, provincial, and district / city governments. To measure the food security of a region, the Government makes an indicator in looking at the achievement of food security of a region. This indicator is the Food Security Index. For this reason, it is necessary to conduct an analysis to model factors related to food security through the Food Security Index to see how much these factors contribute to the ups and downs of the Food Security Index. One statistical method that can explain the relationship between predictor variables and response variables is spline nonparametric regression analysis. Spline is an approach towards matching data while taking into account the smoothness of curves. Splines have the advantage of overcoming data patterns that show sharp rises / downs with the help of knot points, and the resulting curve is relatively smooth. The research objective of this study was to determine the modeling of the Food Security Index in North Sumatra using the Multivariable Spline Regression Method. Based on the analysis that has been done, a spline regression model for the Food Security Index in North Sumatra was obtained at three knot points with a minimum GCV value of 27.39 and R^2 is 92.76%.
Model Vector Autoregressive Exogenous (VARX) dalam Hasil Usaha Tani Buah Naga Afrina Sinaga, Serly; Cipta, Hendra; Widyasari, Rina
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2025): Integrasi Matematika, Teknologi, dan Budaya dalam Pendidikan dan Aplikasi Terap
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v8i1.4332

Abstract

Model Vector Autoregressive Exogenous (VARX) dapat digunakan untuk memprediksi data deret waktu lebih dari satu variabel yang menggunakan variabel eksogen dalam sistem persamaannya. Model Vector Autoregressive Exogenous (VARX) yang digunakan dalam penelitian ini adalah dengan menggunakan dua variabel endogen dan satu variabel eksogen. Penelitian ini menggunakan data primer dan sekunder. Data primer yaitu data bulanan deret waktu hasil usaha tani buah naga besar dan buah naga kecil dari tahun 2021 sampai dengan tahun 2022 di Desa Pulo Pitu Marihat Kecamatan Ujung Padang Kabupaten Simalungun serta Data sekunder yaitu curah hujan. Tujuan dari penelitian ini adalah untuk memprediksikan hasil usaha tani buah naga besar dan buah naga kecil di Desa Pulo Pitu Marihat Kecamatan Ujung Padang Kabupaten Simalungun dari januari 2023 sampai dengan Desember 2024. Hasil analisis menunjukkan bahwa model Vector Autoregressive Exogenous (VARX) yang dapat diterapkan terhadap data hasil usaha tani buah naga besar dan buah naga kecil adalah Vector Autoregressive Exogenous (VARX (1,1)). Nilai MAPE untuk model Vector Autoregressive Exogenous (VARX (1,1)) pada variabel buah naga besar yaitu -22% dan buah naga kecil yaitu -27,6% sehingga ketepatan hasil prediksi model dapat dikatakan baik digunakan.
Co-Authors Abdul Halim Hasugian Adek Kumala Sari Afrina Sinaga, Serly Agustian, Nandi Ahmad Ali Nasution Ahmad Fadholi Aisy Al-Khansa Amalia, Feby Ayu Ambia Nurdin Amiruddin Amiruddin Amiruddin Amiruddin Apriza, Muhammad Amizaeni Arianti, Mei Yunina Arini Arini Aulia, Surayya Ayu Hariati Ayunda, Afrila Barmawi Barmawi, Barmawi Batubara, Fikri Husin Br. Munte, Rahma Nadira Breghi, Willy Bukhari Bukhari Clara, Nur Cellia Cynthia, Mayang Modelina Dalimunthe, Aldiansah Desiana Desiana, Desiana Destiana, Yolanda dewi, mutia hatina Dian Aulia Zulfa Dian Maya Sari Dian Nugraha Dimas Sunanta Dongoran, Raisha Zuhaira Erika Handayani Br Siahaan Fadila Inka Syahfitri Fahlevi, Mahfudz Reza Fauzi Aldina Fauzi Aldina Fernando, Anjas Fitrahadi, Agung Fitriana Hasibuan, May Fitriani Fitriani Fitriani Gurusinga, Ditha Aulia Gusti Arya Wicaksana Handrianto, Michael Harahap, Baran Enda Hari Kurniawan Harri Santoso Hasibuan, Hani Maulida Hasibuan, Mhd Panerangan Hasibuan, Muhammad Afif Fauzi Hasyim Lubis Hatamar, Hatamar Hazizah, Salsabillah Hwihanus Ida Ayu Putu Sri Widnyani Ika Silvia Ramadani Ilham Syaputra Indra Willy Juliansya Indrawati Indrawati Ir Zulkarnain, Ayu Najmita Binti Irvani, Ahmad Islamiyah, Annisa Rizka Ismail Husein, Ismail Ismanto, Reno Isnani Nurul Deva Jalaluddin Mahally Hasibuan Kana Nurrohma Khairani, Sabila Kharisma, Alfinda Lathifah Hanum, Lathifah Lia Lestari Linna Syahputri Linna Syahputri Mahyuddin Makmun, Sukran Marina Ulfah Mario Bagus Sanjaya Marpaung, Rizq Alwi Matondang, Agnes Febrianti Mei Yunina Arianti Meilani, Reka Mhd Ikhsan Rifki Mirna Rahmah Lubis Muhammad Alfi Syahri Harahap Muhammad Haikal Muhammad Haikal Muhammad Irham Setiadi Muhammad Muhammad Muliana, Muliana Musa Musa Muslim Mutadhahadi Mutadhahadi Nasrul Mahruf Aznawi Nasution, Faisal Anshori Nasution, Hamidah Nasution, Hanifa Mardiatun Nasution, Mutiah Ningsi, Ria Sagita Nugraha Pratama Ramadhan Nurdin, Ambia Nurfebriyanti, Endah Nurhalimah Ritonga Nurhaliza Nurhaliza Nurhaliza Nurhaliza Nurjannah Nurjannah Nurma Sari Nurul Aprilla Rizki Nurul Huda Prasetya Ok Muhammad Zikri Fadillah oktavia handayani Panca Taufik Kurahman Paramita, Esti Puspita, Reni Putra, Fani Darmawan Putri Harahap, Rahmelia Putri, Octa Yulanda Radiamoda, Anwar Rahmad Julianto Rahmad Julianto Rahmadani, Artika Rakhmawati, Fibri Rezki Azmi Ricka Afriani Ricky Dear Fitria Ricky Dear Fitria Rico Pradana Dita Rifki, Mhd Ikhsan Rima Aprilia Rima Aprilia Rima Aprilia Rina Filia Sari Rina Filia Sari, Rina Filia Rina Widyasari Rina Widyasari Rina Widyasari Rina Widyasari Rini Halila Nasution Riri Syafitri Lubis Rizka Auva Rafiqi Rizky, Aldi Rizq Alwi Marpaung Rohima Almahuwanah Rosnidawati Sajaratud Dur Sajaratud Dur Sajaratud Dur Sajaratud Dur, Sajaratud Salsalina, Iren SANAINI, SANAINI Sartika Dewi Sembiring, Tesya Yunita Setyorini, Winarti Sianipar, Putri Nopriani Sinaga, Melly Nia Fajriani Siregar, Machrani Adi Putri Siti Khadijah Laoly Siti Rohanah SRI RAHAYU Suhadiyah, Elsyah Suhardina Rangkuti Suhendra, Darmiko Suratna, Ayu Annisa Syahfitri, Nenna Irsa Syahputra, Bayu Teza Syahputri, Linna Tauratiya, Tauratiya Teuku Maulana Uci Rahmadani Ulfa, Khoirina Utami, Ristika Dian Wandari, Rizky Wenny Marta Dolok Saribu widya panjaitan Widyasari, Rina Wilia Usna Winda Risfani Nst Windu Asmoro Wita Sari, Eka Yuniar Amanda Lubis Zakirman, Al Fakhri Zakiyuddin Zakiyuddin Zakiyuddin Zakiyuddin Zamzami Zamzami Zamzami Zamzami Zulaika, Zulaika