The Effect of Cost of Goods Sold (COGS) and Profit Contribution on Sales Volume. Nomico, [S. l.], v. 2, n. 3, p. 1–11, 2025. DOI: 10.62872/xbm6s207. Disponível em: https://nawalaeducation.com/index.php/NJ/article/view/1272. Acesso em: 4 jul. 2025.