C. SANTOS, Nicanor. Learning Motivation Factors of Grade 8 Students and its Implications in Science Teaching. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 36, n. 6, p. 127–134, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7310. Acesso em: 12 sep. 2025.