AMANTO, O.; HAMZAH, M. I.; RAPANI, A. PENGARUH BIAYA DIRECT MARKETING, BIAYA PERSONAL SELLING, DAN BIAYA PEMBERIAN DISKON TERHADAP NILAI PENJUALAN PADA PT. TRIJAYA MAKMUR CEMERLANG. JEBI | Jurnal Ekonomi Bisnis Indonesia, [S. l.], v. 11, n. 1, p. 49-66, 2016. DOI: 10.36310/jebi.v11i1.8. Disponível em: https://jurnal.stiebi.ac.id/index.php/Jebi/article/view/8. Acesso em: 7 nov. 2025.