NADIAH, F.; HENDARMIN, R. R.; MEIRIASARI, V. Effects of Production Costs and Operating Costs on Profit of PT Semen Baturaja (Persero) Tbk. International Journal of Community Service & Engagement, [S. l.], v. 3, n. 1, p. 18-24, 2022. DOI: 10.47747/ijcse.v3i1.651. Disponível em: https://www.journal.jis-institute.org/index.php/ijcse/article/view/651. Acesso em: 8 oct. 2026.