Niyomufasha, Theogene, Celestin Ntivuguruzwa, and Leon Rugema Mugabo. “Considering the Impact of Using Free-Body Diagram in Mechanics Problem-Solving on Improving Engineering Students’ Performance in Physics at a Selected Public University in Rwanda”. Journal of Learning Theory and Methodology 5, no. 3 (December 30, 2024): 115–122. Accessed July 13, 2026. https://ltmjournal.com/e/article/view/100.