EFFECT OF MULTIMEDIA INSTRUCTION ON SECONDARY SCHOOL STUDENTS’ ACHIEVEMENT IN CHEMISTRY IN ENUGU EDUCATION ZONE . UNIZIK Journal of STM Education, [S. l.], v. 8, n. 1, p. 97–113, 2025. Disponível em: https://journals.unizik.edu.ng/jstme/article/view/5891. Acesso em: 19 apr. 2025.