Audio-Visual Aids Utilisation Frequency and its Effects on Biology Academic Performance among Secondary Schools in Nandi East Sub-County, Kenya. Research Journal of Education, Teaching and Curriculum Studies , [S. l.], v. 2, n. 1, p. 25–34, 2024. DOI: 10.58721/rjetcs.v2i1.599. Disponível em: https://utafitionline.com/index.php/rjetcs/article/view/599. Acesso em: 17 jun. 2026.