[1]
N. . Ratnasri and T. . Sharmilan, “Vending Machine Technologies: A Review Article”, IJSBAR, vol. 58, no. 2, pp. 160–166, Jun. 2021, Accessed: Oct. 03, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12579