YULIA M. ZAI, Y.; SYAHFITRI, R. Optimizing Pharmaceutical Logistics through Sales Forecasting of Black Cough Syrup 100 ml to Support Competitive Advantage at PT "X" . Journal of Engineering Science and Technology Management (JES-TM), [S. l.], v. 5, n. 1, p. 97–107, 2025. DOI: 10.31004/jestm.v5i1.225. Disponível em: https://jes-tm.org/index.php/jestm/article/view/225. Acesso em: 27 jul. 2026.