Niyomufasha T, Ntivuguruzwa C, Mugabo LR. 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. J. learn. theory methodol. [Internet]. 2024 Dec. 30 [cited 2026 Jul. 13];5(3):115-22. Available from: https://ltmjournal.com/e/article/view/100