DAIKO, C. T.; DANJUMA, S. G. CHALLENGES ENCOUNTERED BY TEACHERS IN USING MULTIMEDIA INSTRUCTIONAL MATERIALS IN TEACHING SECONDARY SCHOOL SCIENCE CONCEPT IN TARABA, NIGERIA. BW Academic Journal, [S. l.], 2021. Disponível em: https://mail.bwjournal.org/index.php/bsjournal/article/view/418. Acesso em: 26 aug. 2026.