Ukoh, Edidiong E., Adeniyi Michael Adeduyigbe, and Alice M. Olagunju. “An Observational Study of Teaching Methods in Secondary School Science Classrooms”. Journal of Research in Environmental and Science Education 3, no. 2 (July 1, 2026): 132–139. Accessed July 27, 2026. https://spm-online.com/jrese/index.php/journal/article/view/49.