Islami, Mega Cattleya P.A, Yekti Condro Winursito, Erwan Adi Saputro, and Siti Alya Noviani. “Analysis of The Queue System in Self-Service Using The "ABC Supermarket&Quot; Queue Method”. International Journal of Eco-Innovation in Science and Engineering (IJEISE) 5, no. 1 (June 11, 2024): 23–27. Accessed September 16, 2024. https://ijeise.upnjatim.ac.id/index.php/ijeise/article/view/126.