2025. EVALUATING THE ROLE OF LABOR PRODUCTIVITY IN ENHANCING OVERHEAD COST EFFICIENCY AND PRICE RESPONSIVENESS: A QUANTITATIVE-DESCRIPTIVE CASE STUDY OF PT PROTEINMAGG MAGPRO INDUSTRI IN INDONESIA’S PET FOOD INDUSTRY. Musytari : Jurnal Manajemen, Akuntansi, dan Ekonomi. 23, 12 (Aug. 2025), 161–170. DOI:https://doi.org/10.2324/fybm1592.