NIYOMUFASHA, T.; NTIVUGURUZWA, C.; MUGABO, L. R. 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, Kharkiv, Ukraine, v. 5, n. 3, p. 115–122, 2024. DOI: 10.17309/jltm.2024.5.3.04. Disponível em: https://ltmjournal.com/e/article/view/100. Acesso em: 13 jul. 2026.