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All Journal Jurnal Sains dan Teknologi AKSIOMA: Jurnal Program Studi Pendidikan Matematika JOIV : International Journal on Informatics Visualization ZERO : Jurnal Sains, Matematika dan Terapan JURNAL PENELITIAN PENDIDIKAN MIPA Zero : Jurnal Sains, Matematika, dan Terapan JISTech (Journal of Islamic Science and Technology) JURNAL PENDIDIKAN TAMBUSAI Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education MAJU : Jurnal Ilmiah Pendidikan Matematika JOURNAL OF SCIENCE AND SOCIAL RESEARCH JURNAL MATHEMATIC PAEDAGOGIC MAJAMATH: Jurnal Matematika dan Pendidikan Matematika SAP (Susunan Artikel Pendidikan) JCRS (Journal of Community Research and Service) AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT ANARGYA: Jurnal Ilmiah Pendidikan Matematika Jurnal Eduscience (JES) JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Indonesian Journal of Education and Mathematical Science G-Tech : Jurnal Teknologi Terapan Community Development Journal: Jurnal Pengabdian Masyarakat Journal of Didactic Mathematics Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurnal Abdimas Kartika Wijayakusuma Indo-MathEdu Intellectuals Journal Journal of Mathematics and Scientific Computing With Applications Journal of Information Systems and Technology Research Jurnal MathEducation Nusantara Jurnal Ilmiah Ilmu Terapan Universitas Jambi International Journal of Educational Research Excellence (IJERE) Majalah Ilmiah METHODA Jurnal Penelitian Pendidikan MIPA Jurnal Pengabdian Masyarakat dan Riset Pendidikan SAMBARA: Jurnal Pengabdian Kepada Masyarakat Media Pendidikan Matematika Edumaspul: Jurnal Pendidikan
Dedy Juliandri Panjaitan
Universitas Muslim Nusantara Al-Washliyah
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Prioritizing Educational Media for the Golden Age: A PROMETHEE-Based Analysis of Multiple Intelligences Rima Aprilia; Rina Filia Sari; Dedy Juliandri Panjaitan; Heba A. Fayed; Wilia Husna
Journal of Information Systems and Technology Research Vol. 4 No. 2 (2025): May 2025
Publisher : Ali Institute or Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/jistr.v4i02.1126

Abstract

The golden age is a critical period in a child’s development, spanning from ages 0 to 8, during which learning ability, sensory functions, and emotional potential grow rapidly. At this stage, selecting appropriate educational media is crucial to optimally support the child’s multiple intelligences. In the golden age, the development of a child's memory during this period was excellent. Those at this age have the ability and enthusiasm to learn and the nature of high curiosity. This is one of the reasons for the need to optimize attention during that time. The selection of diverse educational media can determine the success factor in Conducting an analysis of the child's abilities. In this study, the research team will show how to make decisions in the selection of children's educational media by analyzing cognitive, sensory, and emotional potential using the Promethee method. This study aims to determine the most effective educational media for developing cognitive, sensory, emotional, and potential aspects of early childhood using the PROMETHEE method (Preference Ranking Organization Method for Enrichment Evaluation). PROMETHEE is a multi-criteria decision-making (MCDM) approach that helps prioritize alternatives based on predefined evaluation criteria. PROMETHEE in the last 5 years has been rarely used in the selection of educational media for early childhood in analyzing cognitive, sensory, and emotional potential. One of the methods that is often used in the selection of educational media is the ICT method. The research was conducted qualitatively in several regions of North Sumatra, involving parents of young children as key informants. The educational media analyzed included storybooks, puzzles, building blocks, and physical e-books. The response from early childhood to the sample of educational media provided is very diverse. This is based on the criteria tested on the sample. It was found that on average each sample given gave a good response to the child. Each sample given affects the testing criteria, be it cognitive, sensory, potential analysis, or children's emotions. The findings reveal that each media type influences child development differently, with physical e-books receiving the highest preference rankings. These results provide valuable insights for parents and educators in selecting educational tools that best support the optimal development of children's multiple intelligences.
PBL Berbantuan ChatGPT untuk Berpikir Kritis dan Resiliensi Matematis Siswa Muhammad Sopingi; Abdul Mujib; Dedy Juliandri Panjaitan; Cut Latifah Zahari
ANARGYA: Jurnal Ilmiah Pendidikan Matematika Vol. 9 No. 1 (2026)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study examines the effectiveness of Problem Based Learning assisted by ChatGPT in improving students' mathematical critical thinking and mathematical resilience. The study employed a quantitative quasi-experimental design using a nonequivalent pretest-posttest control group involving three intact seventh-grade classes at UPTD SMP Negeri 1 Buntu Pane in the 2025/2026 academic year. The sample consisted of 65 students selected through saturated sampling. Data were collected using a four-item essay test of mathematical critical thinking and a 20-item mathematical resilience questionnaire. Data analysis included descriptive statistics, normalized gain, assumption tests, one-way ANOVA, post hoc comparison, and two-way analysis at a 5% significance level. The results indicate significant differences among the three learning models in mathematical critical thinking and resilience. PBL assisted by ChatGPT produced the highest normalized gain for critical thinking (0.584) and resilience (0.746). Post hoc analysis showed that PBL assisted by ChatGPT and ordinary PBL did not differ significantly in critical thinking, but PBL assisted by ChatGPT was significantly superior in mathematical resilience. These findings suggest that the pedagogical strength of PBL lies in promoting critical reasoning, whereas ChatGPT contributes additional value by providing adaptive scaffolding that supports students' confidence, persistence, and willingness to re-engage with mathematical challenges.
MODEL MATEMATIS MONOD TYPE KINETIC UNTUK MENGANALISIS PRODUKTIVITAS BIOGAS PADA BIOREAKTOR LIMBAH RUMAH TANGGA Rahma Miyati; Riri Syafitri Lubis; Dedy Juliandri Panjaitan
JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Vol 12, No 1 (2026)
Publisher : Fakultas Keguruan dan Ilmu pendidikan (FKIP) Universitas Labuhan Batu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpms.v12i1.9311

Abstract

Biogas is gas produced from biochemical processes in the form of biomass decomposition which can be used as an energy source. Biogas has great opportunities for development. Input materials for biogas production are centralized and their availability is guaranteed continuously because they are easy to obtain. The alternative experimental design in this research using a kinetic type monod is expected to be able to find the optimal input path. The Monod Type Kinetic model involves a logistic growth model. From the model results, the process of determining fixed points is carried out, analyzing the stability of each fixed point and carrying out numerical simulations at one of the fixed points. The simulation aims to show that the model has stability in the form of stable nodes and stable spirals. The aim of this research is to determine biogas productivity in household waste bioreactors and to implement a monod type kinetic mathematical model on biogas productivity in household waste bioreactors. The results of this research show that biogas productivity in household waste bioreactors in the last two months in Medan City resulted in microbial growth (fg/h) in the bioreactor space following a polynomial equation with a level of agreement between variables R2 of 0.3128. The implementation of the monod type kinetic mathematical model on biogas productivity in household waste bioreactors in the city of Medan was carried out by calculating the microbial growth rate based on biogas productivity and then determining the growth rate based on simulation, thereby providing a microbial growth rate model so that microbial growth rates could be seen.
Optimasi Waktu dan Biaya Pembangunan Box Underpass Proyek Jalan Tol Ruas Sigli-Banda Aceh dengan Menggunakan Metode PERT dan EVM Muhammad Iqbal Fahri; Fibri Rakhmawati; Dedy Juliandri Panjaitan
MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Vol 7 No 1 Maret 2024
Publisher : Prodi Pendidikan matematika Universitas Islam Majapahit (UNIM), Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamath.v7i1.3166

Abstract

Peningkatan efisiensi dalam proyek konstruksi infrastruktur jalan tol adalah suatu keharusan dalam upaya meminimalkan biaya dan mempercepat waktu penyelesaian. Tujuan dari penelitian ini untuk mengoptimalkan waktu dan biaya pembangunan Box Underpass dalam proyek jalan tol ruas Sigli-Banda Aceh dengan menggunakan Metode PERT (Program Evaluation and Review Technique) dan EVM (Earned Value Management). PeneIitian ini menggunakan jenis peneIitian terapan, jenis data yang digunakan adaIah data sekunder yang diambil dan dikumpulkan secara langsung dari tempat penelitian. Hasil peneIitian ini menunjukkan bahwa integrasi Metode PERT dan EVM dapat menghasilkan perencanaan yang lebih baik dan pengendalian yang lebih efektif terhadap waktu dan biaya proyek. Dengan pemantauan yang cermat dan analisis terus-menerus, proyek ini dapat diselesaikan lebih cepat dan dengan biaya yang Iebih efisien, sehingga memberikan manfaat signifikan bagi pemangku kepentingan proyek dan masyarakat yang akan menggunakan jalan tol ini. Proyek ini memiliki probabilitas sebesar 98,46% dengan estimasi waktu penyelesaian adalah 70 hari. Adapun perkiraan total biaya akhir proyek jika tren berkelanjutan adalah Rp 2.844.277.455.
Penguatan Teori Antrian Pada Pengambilan Dana Bantuan Anak Yatim Dan Muslim Lanjut Usia (MUNSIA) di BAZNAS Provinsi Sumatera Utara rima aprilia; Della Arsita sari; Ellysa Syahfitri; Mahyuni Br Damanik; Nuriman Astuti Batubara; Dedy Juliandri Panjaitan
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 8 No 1 (2024): Amaliah: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v8i1.3054

Abstract

In an effort to build the people's economy, zakat is an important instrument that has great potential, especially for the development and welfare of the economic life of the community. However, this potential must be managed properly and professionally. There are several functions that are carried out, namely planning, implementing and controlling the collection, distribution, and utilization of zakat and reporting accountability for zakat management. The National Zakat Agency is authorized to collect, distribute, and utilize zakat. Community service carried out at Baznas in order to implement a queue system for withdrawing funds for MUNSIA at BAZNAS to help recipients of assistance receive services faster and not experience long waiting times. So to find out the optimal service performance measure in withdrawing funds for orphans and elderly Muslims, a single-track queue system is needed. In the process of serving recipients of MUNSIA at the BAZNAS office, a single-track queue model can be used. Where there is only one path that takes customers to the service stage. The time required by recipients of orphan and munsia aid funds applies the First Come First Served service where customers who come first will be served first. To optimize the service process for recipients of orphan and munsia aid funds, the Model (M/M/1) queuing theory formula can be used. Based on the results obtained, the performance of the queuing system is still optimal because officers are able to provide services to 90% of the arrivals of 55 recipients of orphan and MUNSIA aid funds.
PEMODELAN MATEMATIKA TERHADAP KECANDUAN GAME ONLINE BERDASARKAN MODEL SEIRS PADA BERBAGAI KELOMPOK USIA DI INDONESIA Annisa Fadhillah Putri Siregar; Firmansyah Firmansyah; Dedy Juliandri Panjaitan
Majalah Ilmiah METHODA Vol. 14 No. 1 (2024): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol14No1.pp87-92

Abstract

The mathematical model can be used to analyze many real-life problems. One of them is the case of online game addiction, which is currently rampant in Indonesia. This research will analyze the SEIRS mathematical model in the case of online game addiction experienced by various age groups. The purpose of this research is to understand mathematical modeling based on the SEIRS model for cases of online game addiction in various age groups in Indonesia. The result of this research is the mathematical model, which is , S(0) = 17; E(0) = 25; , I(0) = 6; and , R(0) = 2.
Analisis Kecanduan Menonton YouTube pada Anak Balita Menggunakan Model SEIEdR Eko Akbar Sukmana; Firmansyah Firmansyah; Dedy Juliandri Panjaitan
Majalah Ilmiah METHODA Vol. 14 No. 2 (2024): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol14No2.pp157-165

Abstract

In contemporary society, YouTube addiction in children under five has become an increasingly troubling problem. The purpose of this study is to solve the addiction problem and provide solutions that can be applied in the workplace. A modified SEIEdR (Suspectible-Exposed-Infected-Education-Recovered) model for YouTube watching addiction behavior is used. Identifying assumptions and parameters, creating mathematical models, finding equilibrium points, calculating the basic reproduction number (R0), conducting model stability analysis, and performing simulations using Maple software are all methodological processes. The main findings show that if R0 < 1, the addictive behavior of watching YouTube will decrease over time and will become endemic. In addition, the individual rate values of active and novice viewers who are educated have a significant effect on reducing the population of novice and active YouTube viewers. These simulation results improve our understanding of the dynamics of YouTube viewing addiction and offer practical solutions to this problem.
ANALISIS MODEL MATEMATIKA SEIRS TERHADAP KECANDUAN GAME ONLINE SISWA SMPN 3 MANDREHE BARAT Nove Susanti Waruwu; Dedy Juliandri Panjaitan; Firmansyah Firmansyah
Majalah Ilmiah METHODA Vol. 14 No. 1 (2024): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol14No1.pp105-113

Abstract

This research uses documentation and experimental methods. The documentation method is used to create and develop the SEIRS model in cases of online game addiction. Meanwhile, the experimental method is a research method to find answers or solutions to a case or research object. This research was conducted on students in class VIII UPTD SMP Negeri 3 Mandrehe Barat with a total of 26 students within 14 days. In this study, researchers modeled cases of online game addiction into the SEIRS model using the 5th-order Runge-Kutta method so that its effectiveness was obtained based on the data obtained. The results of this study show that the Runge Kutta method is the most effective in the Seirs mathematical model for online game addiction.
ANALISIS PENENTUAN STRATEGI PEMASARAN PRODUK SMARTPHONE MENGGUNAKAN FUZZY GAME THEORY Sekar Ayu Irawan; Fibri Rakhmawati; Dedy Juliandri Panjaitan
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 7 No. 3 (2024): August 2024
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v7i3.2152

Abstract

Banyaknya bermunculan produk-produk smartphone terbaru, mengakibatkan persaingan semakin meningkat. Oleh karena itu, perusahan-perusahaan smartphone diharapkan mampu memperkirakan strategi pemasaran apa saja yang terdapat pada kompetitornya serta mampu menganalisis atribut apa saja yang sesuai dengan kebutuhan konsumen. Untuk mendapatkan strategi pemasaran yang tepat yaitu dengan menerapkan metode fuzzy game theory, tujuan dari penelitian ini adalah untuk mendapatkan atribut apa yang diutamakan konsumen agar mendapatkan strategi pemasaran yang optimal dari dua perusahaan smartphone Samsung dan Oppo yang diteliti menggunakan fuzzy game theory dengan mengandalkan atribut-atribut yang diutamakan konsumen. Adapun strategi pemasaran optimalnya adalah strategi harga dan tipe dengan nilai 0,037, smartphone Samsung menggunakan atribut harga untuk memaksimumkan keuntungan, sedangkan smartphone Oppo menggunakan atribut tipe untuk meminimumkan kerugiannya.
IMPLEMENTASI ALGORITMA FORD-FULKERSON DALAM MEMAKSIMALKAN JARINGAN ALIRAN LISTRIK DI LUBUK PAKAM Gishela Agra Moukia; Sajaratud Dur; Dedy Juliandri Panjaitan
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.v8i2.3171

Abstract

Abstract: Electrical flow that is not maximum can cause damage to devices that use electrical energy or can even damage electronic goods and possibly cause a fire. Therefore, this problem can be solved by maximizing the electric flow by applying the ford- fulkerson algorithm. The problem in this study is how to apply the Ford- Fulkerson algorithm to obtain the maximum value for the flow of the electricity network in Lubuk Pakam. The purpose of this study is to obtain the maximum value for the flow of the electricity network in Lubuk Pakam using the Ford- Fulkerson algorithm. The data obtained is in the form of a map of the Lubuk Pakam electrical network and the capacity of each cable taken from PT. PLN (Persero) ULP Lubuk Pakam The results of applying the Ford- Fulkerson algorithm to electricity on Jl. Hasanuddin - Jl. Kartini Lubuk Pakam, Deli Serdang, North Sumatra can maximum a flow capacity of 600 Amperes, consisting of 12 iterations, 17 nodes. and 21 edges. Keyword: Ford- Fulkerson Algorithm, Maximum Flow, Electrical Network Abstrak: Aliran listrik yang tidak maksimum dapat menyebabkan kerusakan terhadap perangkat yang menggunakan energi listrik atau bahkan dapat merusak barang-barang eletronik dan kemungkinan bisa sampai terjadi kebakaran. Oleh sebab itu, permasalahan ini dapat diselesaikan dengan memaksimalkan arus listrik tersebut dengan menerapkan algoritma ford-fulkerson. Algoritma ford-fulkerson merupakan algoritma pelabelan yang dapat menyelesaikan permasalahan aliran maksimum pada sebuah jaringan dengan memiliki satu simpul awal yang merupakan gardu induk dan simpul akhir (tujuan). Permasalahan dalam penelitian ini, bagaimana penerapan algoritma ford-fulkerson dalam memperoleh nilai maksimum pada aliran jaringan listrik di Lubuk Pakam. Tujuan penelitian ini, untuk memperoleh nilai maksimum pada aliran jaringan listrik di Lubuk Pakam dengan menggunakan algoritma ford-fulkerson. Data yang diperoleh berupa peta jaringan listrik Lubuk Pakam dan kapasitas dari masing-masing kabel yang diambil dari PT. PLN (Persero) ULP Lubuk Pakam. Hasil dari penerapan algoritma ford-fulkerson pada aliran listrik di Jl. Hasanuddin – Jl. Kartini Lubuk Pakam, Deli Serdang, Sumatera Utara dapat memaksimalkan kapasitas arus sebesar 600 Ampere, yang terdiri dari 12 iterasi, 17 simpul, dan 21 sisi. Kata kunci: Algoritma Ford-Fulkerson, Aliran Maksimum, Jaringan Listrik 
Co-Authors Abdul Mujib Adinda Kinanti Alistraja Dison Silalahi Anjeli, Sarifah Anjelia Tarigan Annisa Fadhillah Putri Siregar Aprilia, Rima Atika Erlina Nasution Azmi Arief Sinaga Batu, Siti Sadar Sulastri Lumban Br Tarigan, Dinda Renita Carissa Ghaniya Azzahra Carissa Ghaniya Azzahra Dahlia Dahlia Dahlia Dahlia Darmiati Darmiati Della Arsita sari Desi Syahfitri Dewi Fitria Dewi Nur Hasanah Eko Akbar Sukmana Ellysa Syahfitri Elsadday Br Manalu Elvi Syahara Lubis Evi Julyana Nasution Fahri, Muhammad Iqbal Firmansyah Firmansyah Firmansyah Firmansyah Firmansyah Firmansyah Francisca, Onatri Gishela Agra Moukia Gultom, Anastasya L. Hari Munandar Haryati Ahda Nasution Hasanah Hasanah Hasibuan, Nurleli Heba A. Fayed Hema Pebria Rollingka Hidayat Hidayat Hilza Karyawati Indriani Indah Widya Hanzani Ismail Husein, Ismail Kartolo, Rahmad Kristina Intan Parulian Panjaitan Kusyani, Diah Lailan Syafira Putri Lubis Liza, Tasya Dwi Madyunus Salayan Madyunus Salayan, Madyunus Mahyuni Br Damanik Marisa, - Mega Putri yani Muhammad Iqbal Fahri Muhammad Ridwan Muhammad Ridwan Muhammad Sopingi Naibaho, Mesni Harianty Nasution, Amanda Syahri Neni Triana, Neni Nisa Khairani Nove Susanti Waruwu Nurdalilah Nurdalilah Nurdiono Nurdiono Nurhafni Siregar Nuriman Astuti Batubara Nurlela Nurlela Nurmairina Pesta Rut Cahaya Sitanggang Putri, Annisa Fadhillah Rahma Miyati Rakhmawati , Fibri Rakhmawati, Fibri Ramadhani Ramadhani Rangkuti, Sakdiah Aini Rennika Irfenti Seprina Simorangkir Resti Yolanda Rima Aprilia Rima Aprilia Rina Filia Sari Rina Filia Sari Rina Widyasari Rina Widyasari Riri Syafitri Lubis Risnawati, Erna Rita Destini Rizki Rahmadani Rizki Rahmadani Siregar Sagala, Pehulysa Saiful Bahri Saiful Bahri Sajaratud Dur Sapta, Andy Saragih, Agung Evansiyus Saragih, Jenri Hamonangan Sari, Dwi Novita Sekar Ayu Irawan Simbolon, Nurarfah H Sipahutar, Tuti Sumyati Siregar, Aisyah Siregar, Annisa Fadhillah Putri Siti Aisyah Sri Ulfa Rahayu Sudirman Sudirman Sukmana, Eko Akbar Syahara Lubis, Elvi Syahfitri, Lely Tarigan, Anjelia Taripar R Sihaloho Uliya Khoirun Nisa Waruwu, Nove Susanti Wilia Husna Yessy Novalia Yovita Ningtias Yuki Indayanti Yuniar, Nana Yusnita, Nora Zahari, Cut Latifah Zebua, Mesra Belinda