TEACHERS’ INSTRUCTIONAL EFFECTIVENESS IN BIOLOGY IN OBINGWA LOCAL GOVERNMENT AREA, ABIA STATE . UNIZIK Journal of STM Education, [S. l.], v. 8, n. 3, p. 115–128, 2025. Disponível em: https://journals.unizik.edu.ng/jstme/article/view/7193. Acesso em: 3 jun. 2026.