PARK, Y.-B.; YOON, S.-J. THE OPERATION OF VENDING MACHINE SYSTEMS WITH STOCK-OUT-BASED, ONE-STAGE ITEM SUBSTITUTION. International Journal of Industrial Engineering: Theory, Applications and Practice, [S. l.], v. 19, n. 11, 2013. DOI: 10.23055/ijietap.2012.19.11.747. Disponível em: https://journals.sfu.ca/ijietap/index.php/ijie/article/view/747. Acesso em: 2 may. 2024.