Application of Variable Costing Method to Determine Cost of Production and Selling Price in MSMEs Rengginang 1 Putra, Lumajang Regency . WSAF [Internet]. 2024 Nov. 29 [cited 2025 Mar. 14];2(03):500-11. Available from: https://wsj.westsciences.com/index.php/wsaf/article/view/1112