ROHANI, C. A. PENGARUH BIAYA PRODUKSI DAN BIAYA PROMOSI TERHADAP LABA BERSIH PADA CV. NJ FOOD INDUSTRIES. Nusantara Hasana Journal, [S. l.], v. 1, n. 4, p. 55–64, 2021. Disponível em: https://nusantarahasanajournal.com/index.php/nhj/article/view/134. Acesso em: 29 nov. 2024.