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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Edukasi Islami: Jurnal Pendidikan Islam JOURNAL OF SCIENCE AND SOCIAL RESEARCH JURNAL MATHEMATIC PAEDAGOGIC MES: Journal of Mathematics Education and Science Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika Integrated Science Education Journal Jurnal Pengabdian dan Edukasi Sekolah (Jubaedah) International Journal of Social Service and Research Jurnal Ekonomi Jurnal Ilman: Jurnal Ilmu Manajemen Jurnal ADAM : Jurnal Pengabdian Masyarakat Jurnal Pengabdian Ahmad Yani Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Ilmu Komputer dan Sistem Informasi Jurnal Pengabdian Masyarakat Annusfy
Zuhri Zuhri
Sekolah Tinggi Ilmu Manajemen Sukma
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Optimalisasi Keputusan Investasi dan Pemasaran UMKM Medan dengan Riset Operasi via Coffee Talk Fajrillah Fajrillah; May Handri; Almastoni Almastoni; Ari Lestari; Zuhri Zuhri
Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2026): Juni 2026
Publisher : Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/japamas.v5i1.352

Abstract

Pengambilan keputusan usaha di Kota Medan masih didominasi intuisi, berisiko tinggi di tengah dinamika pasar. Kegiatan pengabdian ini bertujuan meningkatkan literasi riset operasi (OR) bagi pelaku UMKM untuk optimalisasi investasi dan strategi pemasaran. Metode yang digunakan adalah pendekatan Coffee Talk di tiga kafe strategis (Medan Baru, Kota, Johor) dengan materi pemrograman linier, Expected Monetary Value (EMV), dan pohon keputusan. Hasil kegiatan menunjukkan peningkatan pemahaman peserta sebesar 65% (dari pretest ke posttest), dengan 80% peserta mampu menghitung EMV untuk pemilihan lokasi usaha secara mandiri. Kontribusi artikel ini adalah menyediakan model edukasi OR informal berbasis budaya lokal yang mudah direplikasi, serta memberikan alat analisis kuantitatif sederhana bagi UMKM untuk meminimalkan risiko dan memaksimalkan profit. Manfaat nyata bagi masyarakat adalah meningkatnya kepercayaan diri pelaku usaha dalam mengambil keputusan berbasis data, terutama pada sektor kuliner, retail, dan investasi keuangan pemula.
Penerapan SDGs-Based Entrepreneurship dan Aksi Hijau Kampus Berdampak melalui Penanaman Pohon dan Edukasi Lingkungan di Deli Serdang dan Kota Medan Juli Meliza; Zuhri Zuhri; Kartika Kartika
Annusfy : Journal of Multidisciplinary Research Vol. 1 No. 11 (2026): Annusfy : July 2026
Publisher : Jaanur Elbarik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65065/t1c2vj48

Abstract

This community service activity aimed to restore critical urban and coastal ecosystems while instilling a Sustainable Development Goals (SDGs)-based entrepreneurship mindset among academic community members. The program was conducted at the Canal Urban Forest in Medan on June 22, 2026, and the Coastal Area of Deli Serdang Regency on June 23, 2026. The method integrated Community-Based Development (Comdev) and Asset-Based Community Development (ABCD) approaches through three stages: preparation, action-oriented planting with educational briefings, and sustainability evaluation. Target participants comprised the STIM Sukma Medan team (lecturers and students), coastal residents, urban forest visitors, and officers from the Ministry of Public Works. Results demonstrated the successful planting of 600 trees (100 shade trees and 500 mangrove seedlings) with an initial survival rate exceeding 85%, transformed mindsets toward impact-oriented entrepreneurship, and strengthened cross-sectoral collaboration.
Problem-Based Learning Enhances Mathematics Engagement: A Multivariate Examination of Motivation and Interest Nurina Happy; Zuhri Zuhri; Hery Saputra
Integrated Science Education Journal Vol 7 No 4 (2026): July
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/isej.v7i4.3583

Abstract

Purpose of the study: Mathematics learning requires instructional approaches that improve not only cognitive achievement but also affective aspects, particularly students' motivation and interest. This study aimed to examine the effects of PBL on mathematics learning motivation, learning interest, and both variables simultaneously. Methodology: A quantitative quasi-experimental study employing a nonequivalent control group pretest-posttest design was conducted with 71 tenth-grade students selected through cluster random sampling. The experimental group received PBL, while the control group received conventional instruction. Data were collected using the Mathematics Motivation Questionnaire (16 items) and the Interest in Mathematics Questionnaire (20 items) and analyzed using descriptive statistics and Multivariate Analysis of Variance (MANOVA). Main Findings: The results showed that PBL significantly improved mathematics learning motivation (Partial Eta Squared = 0.761) and learning interest (Partial Eta Squared = 0.581). MANOVA further confirmed a significant simultaneous effect of PBL on both affective variables (Wilks’ Lambda = 0.216, p < 0.001). These findings indicate that authentic problem solving, collaboration, and active learning in PBL foster multiple affective outcomes simultaneously. Novelty/Originality of this study: The novelty of this study lies in the simultaneous examination of mathematics learning motivation and interest using MANOVA while positioning student engagement as the conceptual mechanism underlying PBL effectiveness. The findings provide empirical support for implementing PBL as a student-centered approach to strengthen affective outcomes in mathematics education and offer a foundation for future studies using Structural Equation Modeling (SEM) to examine the underlying mechanisms.
Co-Authors 5Seget Tartiyoso Almastoni Almastoni Ari Lestari Ari Lestari Arsip Perangin-Angin Debby Fisela Dew Indah Sari Dewi Indah Sari Euis Nur Istiqomah Fajrillah, Fajrillah hery saputra Hidayat Hidayat Irwan Irwan Irwan Irwan Ismail Ismail Ismail Ismail Juli Meliza Kartika Kartika May Handri Muhammad Aufa Muis Muhammad Rizky Mazaly Muis, Muhammad Aufa Nur Rahmatillah Nurina Happy Nurul Sari Rahmadani Hasibuan Siti Fatimah Sihotang Siti Fatimah Sihotang Suci Andriyani Supardi Ritonga Surya Wibawa Tulus Rohana zakiah, Nina