Arbarija Hafiz Lubis, Sugianto S, Kusmilawaty K. Effects of Production and Operating Costs on Net Profit on Manufacturing Companies Registered in JII. DIJEFA [Internet]. 2024 Mar. 25 [cited 2026 Jun. 13];5(1):78-92. Available from: https://dinastipub.org/DIJEFA/article/view/2424