Analisis Penentuan Biaya Produksi Air pada Perusahaan Umum Daerah Air Minum (PERUMDA) Tirta Bantimurung di Kab.Maros. Indo-MathEdu Intellectuals Journal, [S. l.], v. 6, n. 3, p. 2888–2896, 2025. DOI: 10.54373/imeij.v6i3.2895. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/2895. Acesso em: 12 aug. 2026.