PREEMPTIVE AND NON-PREEMPTIVE GOAL PROGRAMMING APPROACH TO INVENTORY OPTIMIZATION OF THE CENTRAL STERILE SUPPLY DEPARTMENT, UNIVERSITY COLLEGE HOSPITAL, IBADAN, NIGERIA. Journal of Engineering Studies and Research, [S. l.], v. 30, n. 1, p. 15–30, 2024. DOI: 10.29081/jesr.v30i1.002. Disponível em: https://jesr.ub.ro/journal/article/view/428. Acesso em: 13 sep. 2025.