Siswanto, Eko, and Bayu Abdur rohman. “Ticket Payment Information System On The Sea Beach Light Using Simple Additive Weighting Method”. Walisongo Journal of Information Technology 1, no. 1 (November 8, 2019): 25–34. Accessed June 17, 2026. https://journal.walisongo.ac.id/index.php/jit/article/view/3987.