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All Journal JURNAL RUMPUN MANAJEMEN DAN EKONOMI Servitia: Journal of Community Service and Engagement
Nadiah Nadiah
Universitas Borneo Tarakan
Humanities Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Mathematics Social Sciences Transportation Other

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PERAMALAN PENJUALAN PRODUK SAMPONIN FISH & SNAIL MENGGUNAKAN METODE SINGLE MOVING AVERAGE PADA DISTRIBUTOR PERLENGKAPAN TAMBAK DI KOTA TARAKAN Nurul Hidayat; Alif Fathin Bimanta; Nuraeni Nuraeni; Muhammad Robithul Alami; Nadiah Nadiah; Lepi Kristiani Uleh; Nur Siah Agis Hanira
JURNAL RUMPUN MANAJEMEN DAN EKONOMI Vol. 3 No. 4 (2026): Juli
Publisher : CV. KAMPUS AKADEMIK PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jrme.v3i4.11076

Abstract

Toko Mitra Tambak Sukses merupakan distributor produk pengendali hama tambak Samponin Fish & Snail untuk kebutuhan perlengkapan tambak di kota Tarakan. Toko ini menghadapi permasalahan perencanaan persediaan karena permintaan produk berfluktuasi mengikuti aktivitas tambak. Penelitian ini menerapkan metode Single Moving Average (SMA) untuk meramalkan penjualan bulanan menggunakan data penjualan yang telah disesuaikan dan dibulatkan pada periode April 2025 sampai Maret 2026. Periode pergerakan yang diuji adalah n = 1 sampai n = 8, dan hasilnya dievaluasi menggunakan Mean Absolute Deviation (MAD) serta Mean Absolute Percentage Error (MAPE). Hasil penelitian menunjukkan bahwa seluruh periode SMA menghasilkan nilai MAPE yang rendah. SMA n = 4 dan n = 8 sama-sama menghasilkan nilai MAD dan MAPE terendah setelah pembulatan, yaitu MAD sebesar 0,91 dan MAPE sebesar 1,24%. Namun, SMA n = 4 direkomendasikan karena memiliki tingkat kesalahan rendah dengan jumlah observasi evaluasi yang lebih banyak dibandingkan n = 8, sehingga lebih sesuai sebagai dasar praktis perencanaan pengadaan stok Samponin periode berikutnya.
Penguatan Kepedulian Lingkungan dan Literasi Anak Pesisir: Program Edukasi Partisipatif di RT 05 Pantai Amal Kota Tarakan Nurul Hidayat; Rizha Nurul Hidayah; Veronika Jonathan; Dewi Astina; Elisabet Sari Ona Deran; Nadiah Nadiah; Alif Fathin Bimanta; Muhammad Rafie Maula; Edowardus
Journal of Community Service and Engagement Vol 1 No 2 (2026): February: Servitia: Journal of Community Service and Engagement
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/kmh5qt02

Abstract

This community service program aims to strengthen environmental awareness and literacy among coastal children through a participatory educational approach in RT 05 Pantai Amal, Tarakan City. The program involved children aged 6–12 years who participated in a series of integrated activities combining environmental education and literacy-based learning. Visual media, interactive discussions, and picture storybooks with environmental themes were used to create a learning process that was close to the children’s daily experiences. Observational data showed a significant increase in children’s understanding of coastal environmental conditions, their awareness of waste issues, and their willingness to engage in pro-environmental behavior. At the same time, literacy activities encouraged greater interest in reading, improved confidence in expressing ideas, and enhanced participation in group discussions. The integration of environmental awareness and literacy proved effective in shaping positive character traits, including responsibility, social awareness, and critical thinking. These findings indicate that participatory, context-based education can serve as an effective strategy for empowering coastal children and fostering sustainable values from an early age.
Co-Authors Alif Fathin Bimanta Dewi Astina Edowardus Elisabet Sari Ona Deran Lepi Kristiani Uleh Muhammad Rafie Maula Muhammad Robithul Alami Nur Siah Agis Hanira Nuraeni Nuraeni Nurul Hidayat Rizha Nurul Hidayah Veronika Jonathan