Impact Of Instructional Materials on Biology Achievement Among Senior Secondary School Students in Gumel, Jigawa State. Journal of Education, Communication, and Digital Humanities , [S. l.], v. 2, n. 1, p. 320–328, 2025. DOI: 10.5281/zenodo.17516022. Disponível em: https://oa.unij.co.uk/index.php/journaleducomdighumanities/article/view/234. Acesso em: 20 dec. 2025.