PURBA, Gunarto; MANURUNG, Ricky Leonardo. PENGARUH BIAYA OPERASIONAL TERHADAP LABA BERSIH PADA CV. JUNIOR EXPRES MEDAN. JURNAL GLOBAL MANAJEMEN, [S.l.], v. 10, n. 1, p. 204-215, june 2021. ISSN 2715-6001. Available at: <https://ejurnal.darmaagung.ac.id/index.php/global/article/view/1789>. Date accessed: 04 nov. 2024. doi: http://dx.doi.org/10.46930/global.v10i1.1789.