Blessing Ukamaka, O., and E. Evelyn O. (PhD). “EFFECTIVENESS OF MULTIMEDIA INSTRUCTIONAL PACKAGE ON SECONDARY SCHOOL STUDENTS’ ACADEMIC PERFORMANCE IN CHEMISTY”. UNIZIK Journal of STM Education, vol. 6, no. 1, Nov. 2023, pp. 119-30, https://journals.unizik.edu.ng/jstme/article/view/2842.