Lisana, L., D. Bena, J. Sutanto, E. Novandyanta, and K. Kevin. “Usability Evaluation of Ticket Purchasing Applications, Case Study Public Railways in Indonesia”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, Vol. 15, no. 1, June 2024, pp. 50-55, doi:https://doi.org/10.31937/si.v15i1.3566.