D. Purbohadi, L. Marifatul Azizah, L. Kurniasari, N. Diah Wulandari, N. Pratiwi, and P. Hastuti, “Clustering Commuter Behavior based on Automated Fare Collection (AFC)”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 1, pp. 19831–19837, Feb. 2025.