I. PATEDA, M.; Z. TIRAYOH, V.; SYERMI S.E MINTALANGI. Analysis of Differential Costs of By-Products to Generate Differential Income at PT Pathemaang Raya Bitung. Formosa Journal of Applied Sciences, [S. l.], v. 2, n. 10, p. 2383–2398, 2023. DOI: 10.55927/fjas.v2i10.6380. Disponível em: https://journal.formosapublisher.org/index.php/fjas/article/view/6380. Acesso em: 11 jul. 2026.