P. Rumnum, R. Thepkaeo, and W. Thapatsuwan, “Advance Food Ordering System to Minimize Contact: A Case Study of Shibuya Restaurant in Front of Kasetsart University, Kamphaeng Saen Campus”, KSU-Journal Sci Tech & Innov., vol. 2, no. 1, pp. 37–57, Apr. 2023.