Susanto, Hadi, Winarno, Alexandra Elizabeth Callistha, Shakira Dwi Purwandari, and Naila Davina Aurelia. 2025. “Applying EOQ With Sustainability Metrics in Vaccine Packaging Management”. IJIES (International Journal of Innovation in Enterprise System) 9 (2):123-33. https://doi.org/10.25124/ijies.v9i02.9739.