Septiani, Septiani, Rifqa Dasila, and Nispasari Nispasari. “Analisis Selisih Biaya Bahan Baku Terhadap Efisiensi Biaya Produksi”. Jesya 6, no. 2 (June 1, 2023): 1418-1426. Accessed November 3, 2026. https://www.stiealwashliyahsibolga.ac.id/jurnal/index.php/jesya/article/view/1117.