Jannah, L., Yuswita, E. and Riana, F.D. 2023. Cost Efficiency Analysis of Oyster Mushroom Baglogs’ Raw Material Inventory in CV. DA. Interdisciplinary Social Studies. 2, 7 (Apr. 2023), 2118–2127. DOI:https://doi.org/10.55324/iss.v2i7.435.