Effects of Simulation, Field-Trip and Expository Strategies on Basic Science Students’Achievement and Retention taught the Concept of Pollution, in Owerri. AFRICAN JOURNAL OF EDUCATIONAL ARCHIVES (AJEA), [S. l.], v. 9, n. 1, 2024. Disponível em: http://journals.benchmarkjournals.com/index.php/ajea/article/view/44.. Acesso em: 26 jul. 2026.