SAMUEL A. BEKALO; ALASDAIR G. WELFORD. Practical Activity in Ethiopian Secondary Physical Sciences: Implications for Policy and Practice of the Match between the Intended and Implemented Curriculum. The Ethiopian Journal of Education, [S. l.], v. 20, n. 2, p. 91–133, 2000. Disponível em: http://ejol.aau.edu.et/index.php/EJE/article/view/11141. Acesso em: 10 jan. 2025.