Application of Variable Costing Method to Determine Cost of Production and Selling Price in MSMEs Rengginang 1 Putra, Lumajang Regency (M. A. Putra, N. C. Yuliarti, & R. S. Suharsono , Trans.). (2024). West Science Accounting and Finance, 2(03), 500-511. https://doi.org/10.58812/wsaf.v2i03.1112