S. B, A. T. .; TELIMA, A. Problems Militating Against the Effective Teaching of Gravitational Force: A Study of Secondary School Physics Teachers in Cross River State, Nigeria. International Journal of Asian Social Science, [S. l.], v. 7, n. 1, p. 1012–1017, 2012. Disponível em: https://archive.aessweb.com/index.php/5007/article/view/2280. Acesso em: 22 nov. 2024.