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 [Internet]. 2025 Aug. 11 [cited 2025 Aug. 13];23(12):161-70. Available from: https://ejournal.cahayailmubangsa.institute/index.php/musytari/article/view/6176