Nadiah, Fasya, RM Rum Hendarmin, and Vhika Meiriasari. 2022. “Effects of Production Costs and Operating Costs on Profit of PT Semen Baturaja (Persero) Tbk”. International Journal of Community Service & Engagement 3 (1):18-24. https://doi.org/10.47747/ijcse.v3i1.651.