Alvianus Dengen, Alvianus, Rahman Radjab Do Esa, and Budiawan. 2025. “Human-Computer Interaction in E-Commerce: A Study of Tokopedia’s Usability, Efficiency, and Satisfaction for Elderly Consumers”. Journal of Computer and Information Systems Ampera 6 (3):141-59. https://doi.org/10.51519/journalcisa.v6i3.668.