D. S. Asalui, B. Pinontoan, M. I. Takaendengan, E. Tenda, S. C. W. Ngangi, and D. Lapihu, “Design and Usability Evaluation of a Web-Based Car Service Monitoring System at FocusAuto”, (JATIKA), vol. 7, no. 2, pp. 103-114, Jun. 2026.