Disruptions and Delays: Investigating the factors determining complexity and challenges of Supply Chain in Pharmaceutical Industry: An Empirical Investigation. Journal of Informatics Education and Research, [S. l.], v. 5, n. 2, 2025. DOI: 10.52783/jier.v5i2.2732. Disponível em: https://jier.org/index.php/journal/article/view/2732. Acesso em: 4 jun. 2026.