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Inventory Control in Operations Management: A Study on Wood Ear Mushroom Caesari, Aisyah Putri; Wati, Dewi Rohma
Target : Jurnal Manajemen Bisnis Vol. 7 No. 2 (2025): Target : Jurnal Manajemen Bisnis
Publisher : Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/target.v7i2.5673

Abstract

Wood ear mushroom is a high-value commodity with beneficial nutritional content and growing consumer demand, thanks to its high fiber, vitamins, and cholesterol-free status. However, CV. XYZ faces persistent inventory issues because it does not operate cultivation facilities and relies entirely on fixed purchases from farmers. This condition often leads to oversupply, quality deterioration, and high storage costs, indicating a mismatch between procurement decisions and actual market demand. This study aims to forecast demand using the Single Exponential Smoothing method, analyze inventory con- trol through the Wagner-Within Algorithm and Silver Meal method, and compare their cost efficiency with the company’s existing policy. The analysis uses historical data on demand, holding costs, ordering costs, and time periods from April 8, 2024, to June 1, 2025, followed by projections for 30 future peri- ods. The results show that total forecasted demand reaches 160.195 kg with α = 0.1, which produces the lowest forecasting error. Both the Wagner-Within Algorithm and Silver Meal method achieve 33% cost efficiency, generating an inventory cost of IDR 46,551,418 with 15 orders, compared to the existing policy’s IDR 60,849,090 with 30 orders. These findings indicate that the Wagner-Within Algorithm provides a more comprehensive and effective framework for formulating inventory policies. Optimizing order timing and quantities helps reduce storage costs, minimize quality losses, and enhance operational efficiency, making it a strategic approach for managing high-value and perishable commodities such as wood ear mushrooms.
PERUBAHAN IKLIM DAN PEMBANGUNAN PERTANIAN INDONESIA: STUDI BLIBIOMETRIK, VOSVIEWERS, DAN STUDI LITERATUR REVIEW Az-zahra, Shafira Gaidtsa; Septiani, Talitha Ayu; Firdaus, Akmal Syah Fikran; Wati, Dewi Rohma
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 51, No 1 (2026)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v51i1.22293

Abstract

Perubahan iklim merupakan isu strategis yang berdampak signifikan terhadap sektor pertanian di Indonesia. Penelitian ini bertujuan mengidentifikasi perkembangan kajian perubahan iklim dan pertanian melalui analisis bibliometrik dan tinjauan literatur sistematis serta implikasinya bagi pengembangan ilmu pengetahuan. Metode penelitian menggunakan analisis bibliometrik berbantuan VOSviewer dan systematic literature review (SLR) berdasarkan data sekunder dari Google Scholar periode 2010–2025. Hasil penelitian menunjukkan bahwa kajian didominasi oleh variabel suhu dan curah hujan, dengan peningkatan fokus pada strategi adaptasi, ketahanan pangan, dan keberlanjutan pertanian. Selain itu, kolaborasi antar institusi berperan penting dalam mempercepat penyebaran solusi ilmiah. Studi ini berkontribusi pada penguatan literasi iklim dan pertanian di pendidikan dasar serta menjadi dasar pengembangan kurikulum yang responsif terhadap perubahan iklim.
DETERMINAN NILAI TUKAR PETANI DENGAN PENDEKATAN INDIKATOR MAKROEKONOMI Istianto, Muhammad Zenedine; Setiawan, Elsya Putri; Laela, Nur; Wati, Dewi Rohma
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 51, No 1 (2026)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v51i1.21700

Abstract

Penelitian ini mengkaji bagaimana indikator makroekonomi memengaruhi Nilai Tukar Petani (NTP) di Indonesia dengan memanfaatkan data deret waktu dari tahun 2009 hingga 2024. Variabel yang dianalisis meliputi PDB sektor pertanian, tingkat inflasi, jumlah tenaga kerja pertanian, serta suku bunga. Pengolahan data dilakukan melalui regresi linier berganda dengan menerapkan metode Ordinary Least Squares (OLS) melalui bantuan perangkat lunak EViews 13. Hasil analisis mengindikasikan bahwa PDB sektor pertanian memiliki dampak negatif yang signifikan atas NTP, sementara tenaga kerja pertanian memberikan pengaruh positif dan signifikan. Sebaliknya, inflasi dan suku bunga berdampak negatif namun tidak signifikan. Secara keseluruhan, indikator makroekonomi terbukti berperan penting dalam membentuk dinamika NTP. Temuan ini menekankan perlunya stabilitas ekonomi makro dan penguatan faktor produksi untuk meningkatkan kesejahteraan petani di Indonesia.
KETAHANAN PANGAN BERBASIS DIVERSIFIKASI PANGAN UNTUK KEBERLANJUTAN EKONOMI: ANALISIS BIBLIOMETRIK Pratama, Muhamad Abien; Devi, Artika Sari; Adiathoriq, Dzikri; Wati, Dewi Rohma
Jurnal Ilmiah Inovasi dan Komunikasi Pembangunan Pertanian Vol. 5 No. 1 (2026)
Publisher : Department of Agricultural Extension, Faculty of Agriculture, Halu Oleo University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56189/jiikpp.v5i1.9

Abstract

Food security is a strategic global issue directly linked to human basic needs, social stability, and national economic sustainability. As an agrarian country, Indonesia faces major challenges due to its heavy dependence on rice as a staple food, which increases the vulnerability of the national food system. Food diversification has therefore become a key strategy to strengthen food security and economic sustainability by utilizing local food resources such as cassava, corn, sago, and tubers. This study employs a quantitative bibliometric analysis approach to map the development of research on food diversification and food security in Indonesia during the 2010–2024 period. Data were collected from Google Scholar, limited to relevant scientific articles indexed in SINTA, then exported in RIS format, curated using Mendeley, and analyzed through VOSviewer 1.6.20. The analysis covered publication trends, author collaboration networks, keyword co-occurrence, and thematic relationships. The results show a significant increase in publication output and citation performance over the past three decades, with an average of 11.35 citations per article and an H-index of 63, indicating a strong academic influence in this research domain. Keyword network visualization reveals that the most frequently studied themes include household food security, consumption diversification, local food innovation, and agricultural development strategies. Overall, this study demonstrates that research on food security based on food diversification in Indonesia is multidisciplinary and increasingly application-oriented, highlighting its growing role in strengthening local economies and informing sustainable food policy formulationl.
Pengaruh Indeks Pembangunan Manusia (IPM), Kemiskinan dan Pengangguran Terhadap Pertumbuhan Ekonomi di Provinsi Jawa Timur Ramdani, Agung Aji; Nisa, Amira Zaimatun; Rachmawati , Yasiska Cahya; Wati, Dewi Rohma
J-CEKI : Jurnal Cendekia Ilmiah Vol. 4 No. 2: Februari 2025
Publisher : CV. ULIL ALBAB CORP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/jceki.v4i2.6747

Abstract

This research aims to identify the influence of the Human Development Index (HDI), poverty level, and unemployment rate on economic growth in East Java Province for the period 2003–2023. This research data comes from the official publication of the Central Statistics Agency (BPS) of East Java and Indonesia, using secondary data. The method applied is a quantitative approach with multiple linear regression analysis supported by classical assumption testing to ensure the validity of the analysis model. The results of the analysis show that HDI and poverty levels have a significant negative influence on economic growth, with regression coefficients of -0.248 and -0.163 respectively. On the other hand, the unemployment rate has a significant positive influence on economic growth with a coefficient of 0.351 which reflects the existence of structural economic transformation. Overall, these variables explain 52.8% of the variation in economic growth, while the remainder is influenced by other factors not examined in this study. It is hoped that these findings can become a basis for formulating more inclusive and sustainable policies.