Andi Patiware, Muh Irwan Nur Hamiddin and Nur Syamsu 2026. The Effect of Production Costs, Operational Costs, and Sales on Net Profit in the Company . Jurnal Ilmiah Bongaya. 10, 1 (Aug. 2026), 1–13. DOI:https://doi.org/10.37888/jib.v10i1.1100.