Novian Dhamas Ramadhan, Muhammad Alfarizi, Agus Widyianto. Design and finite element analysis of a portable bus service ramp to reduce dependence on service pits. JAMAT [Internet]. 2025 Dec. 31 [cited 2026 Jul. 30];2(2):132-45. Available from: https://journal.uny.ac.id/publications/jamat/article/view/2479