Otuturu, Florence G. “Effect of Computer Animation Instructional Package on Students Performance in Environmental Concepts in Biology Among Secondary School Students in Obio/Akpor Local Government Area in Rivers State”. Rivers State University Journal of Education 25, no. 2 (December 26, 2022): 29–37. Accessed October 12, 2025. https://rsujoe.com.ng/index.php/joe/article/view/126.