Andysah Putera Utama Siahaan, Ami Abdul Jabar, Nelviony Parhusip, Maida Indrayani, and Sipra Barutu. “Analysis of User Age Predictions in Public Satisfaction Surveys at Public Service Malls Using Decision Tree C4.5”. Journal of Information Technology, computer science and Electrical Engineering 1, no. 2 (July 31, 2024): 192–133. Accessed December 22, 2024. https://ysmk.org/ejournal/index.php/jitcse/article/view/58.