PUTRI, Sri Eka; ANGGRAINI, Tuti; NURWANI. The Effect Of Production Costs And Operational Costs On Net Profit Of Jamu Dapoer Niswah Medan Marelan District . Journal of Management, Economic, and Accounting, [S. l.], v. 2, n. 2, p. 287–296, 2023. DOI: 10.37676/jmea.v2i2.187. Disponível em: https://journal.utami.id/index.php/JMEA/article/view/187. Acesso em: 8 nov. 2026.