Lisana, Lisana, Dea Almira Bena, Jessica Levina Sutanto, Evan Novandyanta, and Kevin Kevin. “Usability Evaluation of Ticket Purchasing Applications, Case Study Public Railways in Indonesia”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi 15, no. 1 (June 3, 2024): 50–55. Accessed July 2, 2025. https://ejournals.umn.ac.id/index.php/SI/article/view/3566.