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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Mudarrisuna: Media Kajian Pendidikan Agama Islam Kubik Tadrib: Jurnal Pendidikan Agama Islam Jurnal Sains Matematika dan Statistika Edumatsains Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini AL-ATHFAAL : JURNAL ILMIAH PENDIDIKAN ANAK USIA DINI Indonesian Journal of Science and Mathematics Education Desimal: Jurnal Matematika JIE (Journal of Islamic Education) Justek : Jurnal Sains Dan Teknologi JURNAL TARBIYAH Indiktika : Jurnal Inovasi Pendidikan Matematika Zeta - Math Journal Jiko (Jurnal Informatika dan komputer) Jurnal Pendidikan Matematika (JUDIKA EDUCATION) NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Zero : Jurnal Sains, Matematika, dan Terapan AXIOM : Jurnal Pendidikan dan Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika Nazhruna: Jurnal Pendidikan Islam Jurnal Basicedu Aulad : Journal on Early Childhood JOURNAL OF SCIENCE AND SOCIAL RESEARCH MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Jurnal EDUCATIO: Jurnal Pendidikan Indonesia M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Math Educa Journal Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Journal Ilmiah Rinjani : Media Informasi Ilmiah Universitas Gunung Rinjani Jatilima : Jurnal Multimedia Dan Teknologi Informasi G-Tech : Jurnal Teknologi Terapan Sains dan Matematika Range : Jurnal Pendidikan Matematika TIN: TERAPAN INFORMATIKA NUSANTARA Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Journal of Computer Networks, Architecture and High Performance Computing Jurnal Natural G-Couns: Jurnal Bimbingan dan Konseling KUBIK: Jurnal Publikasi Ilmiah Matematika Asimetris: Pendidikan Matematika dan Sains Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) FARABI: Jurnal Matematika dan Pendidikan Matematika Leibniz: Jurnal Matematika Algebra : Jurnal Pendidikan, Sosial, dan Sains Jurnal IPTEK Bagi Masyarakat Journal of Mathematics and Scientific Computing With Applications Relevan Jurnal Informatika Teknologi dan Sains (Jinteks) Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Journal of Mathematics Instruction, Social Research and Opinion Journal of General Education and Humanities Jurnal Basicedu Abdimas Indonesian Journal Journal of Community Dedication International Conference on Sciences Development and Technology Euclid Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika SATIN - Sains dan Teknologi Informasi JME Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran Jurnal Pema Tarbiyah Jurnal Manuhara: Pusat Penelitian Ilmu Manajemen Dan Bisnis Jurnal Pendidikan Islam Santri : Jurnal Ekonomi dan Keuangan Islam Algebra Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education Parameter: Jurnal Matematika, Statistika dan Terapannya Unnes Journal of Mathematics Education Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa FIKROTUNA: Jurnal Pendidikan dan Manajemen Islam Jurnal Ilmiah Matematika (JIMAT) Advance Sustainable Science, Engineering and Technology (ASSET) Relevan : Jurnal Pendidikan Matematika JME (Journal of Mathematics Education) Journal of Islamic Education Media Pendidikan Matematika
Rakhmawati, Fibri
Universitas Islam Negeri Sumatera Utara, Indonesia
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Optimizing the use of sewing materials to maximize production output Rakhmawati, Fibri; Rifki, Mhd Ikhsan; Husein, Ismail; Cipta, Hendra; Lubis, Riri Syafitri; Sari, Rina Filia
Abdimas Indonesian Journal Vol. 5 No. 2 (2025)
Publisher : Civiliza Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59525/aij.v5i2.1043

Abstract

This Community Service Program aims to optimize the use of sewing materials to maximize production output at Rumah Jahit Nila through the application of a linear programming model in the allocation and use of sewing materials in planning and maximizing production output. The implementation methods include mapping processes and data requirements and formulating a linear programming model relevant to the scale of Nila Sewing House MSMEs, as well as training and live demonstrations using QM as software to determine optimization solutions. The evaluation was conducted on 15 participants using a 1–4 Likert scale instrument with four assessment indicators, namely, training content, presenter's subject-matter expertise, event facilities, and benefits of the program. Descriptive analysis showed an overall average of 3.43 on a scale of 4, with a percentage level of 85.8%, which is in the Very Good category. In order, the indicator achievements are Presenter’s Subject-Matter Expertise = 3.53 (88.33%), Benefits of the Program = 3.47 ( 86.67%), Training Content = 3.40 (85.00%), and Event Facilities = 3.33 (83.33%). These results confirm that the competence of the speakers and the relevance of the benefits are the main strengths, while the content and facilities of the activities are areas for priority improvement. This program has successfully improved participants' technical capacity in modeling and implementing linear program-based raw material optimization, while also providing a foundation for operational implementation to reduce waste and increase throughput.
Analisis Diskriminan Penggunaan Media Sosial di Kalangan Mahasiswa UIN Sumatera Utara Fibri Rakhmawati; Rina Filia Sari; Riri Syafitri Lubis; Ruth Mayasari Simanjuntak
Jurnal IPTEK Bagi Masyarakat Vol 4 No 2 (2024)
Publisher : Ali Institute of Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/jibm.v4i2.1024

Abstract

Penelitian ini bertujuan untuk menemukan perbedaan signifikan antara mahasiswa yang menggunakan media sosial secara aktif dan tidak aktif di Fakultas Sains dan Teknologi UIN Sumatera Utara, menentukan variabel pembeda di antara kedua kelompok, membangun model diskriminasi dua faktor, serta menguji akurasi model tersebut. Sampel penelitian terdiri atas 1.800 mahasiswa dari 220 program studi, dengan data yang dikumpulkan melalui kuesioner. Kredibilitas dan validitas kuesioner diuji menggunakan SPSS melalui Uji Wilk's Lambda dan F-test. Analisis diskriminan digunakan untuk mengidentifikasi variabel pembeda, seperti akses, unggah foto, perbarui status, membagikan tautan, dan cerita langsung (live stories), serta menentukan proporsi keanggotaan masing-masing kelompok. Hasil analisis menunjukkan adanya perbedaan signifikan antara perilaku mahasiswa aktif dan tidak aktif dalam menggunakan media sosial, dengan validasi silang menunjukkan akurasi klasifikasi sebesar 77,0%. Temuan ini memberikan kontribusi penting dalam memahami pola penggunaan media sosial di kalangan mahasiswa.
Pengaruh Kisah-Kisah Dalam Al-Qur’an Dan Bermain Peran Terhadap Nilai Agama Dan Moral Anak Usia Dini Di Ra Al-Kalam Labuhan Batu Utara Ridho Ansyah; Khadijah; Fibri Rakhmawati
Aulad: Journal on Early Childhood Vol. 9 No. 1 (2026): January-April 2026 in Progress
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/aulad.v9i1.1563

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh kisah-kisah dalam Al-Qur’an dan metode bermain peran terhadap nilai agama dan moral anak usia dini. Metode yang digunakan adalah pendekatan kuantitatif korelasional dengan regresi linier berganda. Sampel penelitian adalah anak usia 5–6 tahun yang aktif di RA Al-Kalam. Instrumen terdiri dari kuesioner dan observasi perilaku anak. Hasil penelitian menunjukkan bahwa kisah-kisah Qur’ani dan bermain peran secara simultan berpengaruh signifikan terhadap pembentukan nilai ibadah, kejujuran, tanggung jawab, dan empati anak. Temuan ini menunjukkan bahwa integrasi dua metode ini efektif dalam membangun karakter religius dan moral anak sejak usia dini.
Estimation of Logistic Regression Model on The Risk of Acute Respiratory Infection Toddlers at Cikampak Torgamba Public Health Center Using The Maximum Likelihood Method Sari, Dian Maya; Rakhmawati, Fibri; Cipta, Hendra
MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Vol. 5 No. 1 (2022): Vol. 5 No. 1 Maret 2022
Publisher : Prodi Pendidikan matematika Universitas Islam Majapahit (UNIM), Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamath.v5i1.1762

Abstract

According to the World Health Organization (WHO), the incidence of Acute Respiratory Infections (ARI) in the world by number of toddler who died achieve ± 13 million each year. Researchers will estimate the model equations logistic regression using maximum likelihood. The purpose of this study was to determine the logistic regression model against respiratory infection in infants and the test results of the method of maximum likelihood against respiratory infection in infants in the health center Cikampak Torgamba. Logistic regression Model against the toddler obtained results that the model to be used and the test results of the method of maximum likelihood that the model is significant.
SURVIVAL ANALYSIS WITH WEIBULL REGRESSION ON THE RATE OF HEALING OF DIABETES MELLITUS PATIENTS Widya Wahyu Cahyani; Fibri Rakhmawati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6490

Abstract

Survival analysis is a statistical technique used to study survival related to time, starting from the initial time of the study that has been determined until the end time of the study, therefore the purpose of this study was to determine the equation of the Weibull regression model of the clinical condition of patients with diabetes mellitus at the Malahayati Islamic Hospital Medan and what factors affect the rate of recovery of the clinical condition of patients with diabetes mellitus. The type of research used in this paper is Applied Research, from data collection and analysis, the results are obtained based on the Kaplan-Meier curve, visually it can be seen that the longer the coronary heart disease patient recovers (t). the less likely they are not to recover until time t. The Kolmogorov-Smirnov test was used to test the Weibull distribution, which describes the survival time of patients with diabetes mellitus. The partial test results indicate that the variables of gender, age, hyperglycemia, hypertension, and complications significantly impact the model. The following is how the Weibull regression model for the recovery time data of patients with diabetes mellitus was acquired for this study: S (t|x) = exp (-exp (1.42219+ (-0.01018)x1 + 0.03942x2 + (-0.02976)x3 + (-0.01887)x4 ) t ) α
Implementation Of Dynamic Program In Determining The Optimum Path In The Distribution Of Pertamina Chemical & Agrochemical Lubricating Oil With Forward Recursive Equation PT.Pola Raya Jaya Sakti Uswatun Hasanah Nasution; Fibri Rakhmawati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6494

Abstract

Pola Raya Jaya Sakti is a company engaged in the distribution of Pertamina Kimia & Agrochemical Lubricants. In its operations, this company is faced with the challenge of determining the optimum route in the lubricant oil distribution process in order to optimize production efficiency and reduce production costs. Based on research using a dynamic program with a Forward Recursive Equation, namely A → C → D → E → H → I → K → L → N → O → Q → R → S, where the sequence of locations is Jln. Sampali Road No 151 → Jln. Kesuma → Jln.Letda Sujono → Jln. Padang → Jln. Panglima Denai → Flyover Amplas → Tanjung Morawa → Lubuk Pakam → Tebing Tinggi → Ring Road Lima Puluh → Jln.Perintis Kemerdekaaan → Simpang Kawasan Ekonomi Khusus KEK Sei Mangkei → PT. Unilever Oleochemical Indonesia. The total distance is A+ C + E + H + I + L + N + O + Q + R = 0 + 8.5 km + 7.3 km + 4.4 km + 13 km + 70 km + 50 km + 16 km + 9.5 km+ 3 km = 181.7 km.
Optimasi Biaya Distribusi dengan Menggunakan Metode Trasportasi Hasibuan, Hani Maulida; kurahman, Panca Taufik; Aprilia Zam, Elma Dwi Ariana; Rakhmawati, Fibri
JIMAT: Jurnal Ilmiah Matematika Vol 7 No 1 (2026): Januari-Maret 2026
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63976/jimat.v7i1.1322

Abstract

Penelitian ini berfokus pada identifikasi rute distribusi yang paling efisien dan biaya pengiriman yang terendah untuk mendistribusikan tahu ke empat pasar yang berada di lokasi berbeda. Penelitian dimulai dengan menganalisis strategi distribusi saat ini, yang melibatkan pengiriman tahu dari dua gudang penyimpanan ke berbagai tujuan, dengan biaya transportasi harian sebesar Rp 202.500. Proses optimasi dilakukan dengan menggunakan beberapa metode, termasuk North West Corner (NWC), Biaya Terendah (Least Cost), dan Vogel’s Approximation Method (VAM) untuk mencari solusi awal. Solusi awal tersebut kemudian diperbaiki dengan menggunakan metode Stepping Stone dan Modified Distribution Method (MODI) untuk mencapai alokasi biaya yang paling efisien. Hasil penelitian menunjukkan bahwa rencana distribusi yang optimal dapat secara signifikan mengurangi biaya transportasi, memberikan wawasan berharga untuk meningkatkan efisiensi logistik pada perusahaan skala kecil dan menengah. Temuan penelitian ini diharapkan dapat memberikan kontribusi dalam mengoptimalkan strategi distribusi, meminimalkan biaya, dan meningkatkan efisiensi operasional secara keseluruhan di industri serupa.
Co-Authors Ade Al Khairun Ni’mah Br. Sitorus Afri, Lisa Dwi Aisyah Aisyah Akbar, Sabila Alfauzan Ramadhanny Simangunsong Ammamiarihta Ammamiarihta Ana Uzla Batubara Andhany, Ella Andini, Rizka Tri Anggi Maulida Anggi Reviani Pulungan Anggini Hasanah Anggriany, Nabila Angraini, Rini Anjelina, Repina Aprilia Zam, Elma Dwi Ariana Aprillia, Rima Arianti, Mei Yunina Arifta, Ega Arini Arini Aslam, Fazri Asrun Dabutar Astuti, Safariah Aulia Rahma Tambusai Azura, Fatma Mayzatul Batubara, Misbah Bella Syahrani Nasution Bella Syahrani Nasution Cahyani, Widya Wahyu Cellia Clara, Nur Dalimunthe, Sri Wahyuni Daulay, Lily Sardiani Dedy Juliandri Panjaitan Deva Rezky Ramadhani Devi Umi Solehah Devika Muhyar Ritonga Dian Maya Sari Dian Maya Sari Ditta Arsyilviasari Dwi Agustin, Susan Dwita Sari, Venny Eka Khairani Hasibuan Ella Budi Lestari Erdisyah Yusuf, Kinanti Eva Yuliani Fadhillah, Nurul Fakhraini Zahra Afifa Farhan, luthfi Fauza, Gita Dwi Fauziah Azzahra Fauziyyah, Sari Fetrisia Siregar Fikri Nur Ardiansyah Fitri Handayani Fitri Handayani Fitri Hidayah Friska Putri Ariyati Handayani, Septia Hasibuan, Eka Khairani Hasibuan, Hani Maulida Hasibuan, Mega Utami hasibuan, Seri minta uba Hendra Cipta Heni Pujiastuti Huda Prasetya, Nurul Husnul Fadhillah Ika Milia Wahyuni Siregar Ika Regitami Siregar IMRAN SINAGA, ALI Indriyani Indriyani Irawan, Dandi Ismail Husein, Ismail Isnani Nurul Deva Isnanita, Nur Jumianti Ritonga Juwita, Jenni Kamalia, Lailatun Nur Kania Utari Khadijah Khadijah Khadijah Khairul Annas, Muhammad kurahman, Panca Taufik Latifah Marhamah Harahap Lestari, Devi Tri Lili Anjar Wati Lubis, Nur Ainun Luthfi, Hannia Mangunsong, Elvira Yolanda Marwiyah, Masringgit Masganti Sit Masriah Nasution Maulidya Asrianti Maulidya Khairani Mei Yunina Arianti Mery Fittria Mery Fittria Mesiono, Mesiono Mhd Ikhsan Rifki Mhd. Siddik Sinaga Misbah Batubara Muhammad Fery Prayoga Muhammad Husen Ritonga Muhammad Ilham Syahputra Muhammad Iqbal Fahri Muhammad Khairul Annas Muhammad Nuh Muhammad Reja Sinaga Muhammad Ridwan Muhammad Yasir Mukminah Mardiah Mutiara Amanda Nabilla, Sofia Nahar, Syamsu Nanda Maylany Akbar Nasution, Ainil Hafizha Nasution, Masriah Nasution, Pauziah Neliwati Neliwati Nenna Irsa Syahputri Nenna Irsa Syahputri Ningsih, Titik Ni’mah Br. Sitorus, Ade Al Khairun Nur Aini Tarigan Nur Lela Nur Leli Nur Nasution, Wahyudin Nur Syahidah Ayu Nurhajizah, Nurhajizah Nurjanah Nurjanna Nurjanna Nurjannah Nasution Nurma Indah Sari Nurma Sari Nurmadani, Nurmadani Nurmawati Nurmawati Nurmawati Nurmawati Nursalum, Raisa NURUL QOMARIYAH Perli Pujiana Prayetno, Rafika Sari Puji Syahputri Putra, Fani Darmawan Putri Miranti Harahap Putri Rahma Novia Putri, Dinda Kusuma Rahmadani, Devy Rahmaini Rahmaini Rahmaini Rahmi, Yulia Rahmita, Nelly Ramadhani, Rika Rambe, Dwi Wahyuni Rambe, Muhammad Vikry Rezki Rambe, Siti Rahmi Rangkuti, Abriadi Rangkuti, Robiatul Adawiyah Rani Endriani Rani Nurisa Tanjung Ratri Nurfitriah Ratri Nurfitriah Reflina Rhama Desvitha Sari Ridho Ansyah Rifki, Mhd Ikhsan Rima Aprilia Rima Aprilia Rima Aprilia Rina Filia Sari Rina Filia Sari Rina Filia Sari, Rina Filia Rina Widyasari Rina Widyasari Rini Ade Willana Riri Syafitri Lubis Ritonga, Devika Muhyar Ritonga, Muhammad Husen Rora Rizky Wandini RR. Ella Evrita Hestiandari Rully Rumaida Rusi Ulfa Hasanah Rustam Ruth Mayasari Simanjuntak safitri, yayang Sajaratud Dur Sajaratud Dur Sajaratud Dur Sajaratud Dur, Sajaratud Salasa Riana, Dwi Salminawati Sari Fauziyyah Sari, Atika Mayang Sari, Dinda Sekar Ayu Irawan Selly Madela Br Ginting Seprina, Dita Silvia Harleni Simamora, Hasna Ulpa Ujiah Simangunsong, Alfauzan Ramadhanny Siregar, Ika Milia Wahyuni Siregar, Machrani Adi Putri Sit, Masganti Siti Chatijah Siti Maysarah Siti Nurhaliza Sri Fatimah Sri Wahyuni Sri Wahyuni Dalimunthe Suaibah Aslamiyah Harahap SULASTRI Surayya Aulia Susan Dwi Agustin Sutarman Sutarman Sutarman Sutarman Sutarman, Sutarman Syahfitri, Fadila Inka Syahfitri, Siska Diah Syahputra, Fakhri Ananda Syahputra, Mario Syamsu Nahar Syamsu Nahar Syamsu Nahar Syamsu Nahar Syaputri Batubara, Fauziyah Syilviani Syilviani Tambusai, Aulia Rahma Tanjung, Rani Nurisa Thoibah Thoibah Trima Lestari Uswatun Hasanah Nasution Wahono, Sielve Suwanda Wahyudin Nur Nasution Wahyudin Nur Nasution, Wahyudin Nur Widya Wahyu Cahyani Widyasar, Rina Widyasari, Rina Winda, Tamara Wisnu Syahputra Wulan Dari, Wulan Yahfizam Yahfizam Yahfizam Yahfizham Yahfizham Yumna, Yaumi Yuni Kartika Kartika Yusnita Nurul Azzahra Yusra Habibah Laily Zahwa Syah Putri