Musuluve Mimo Lilian, and Dr. Ronald Werunga Kikechi. “Influence of Instructional Materials Usage on Academic Performance in Secondary Schools in Webuye West Sub-County, Bungoma County”. IJRDO- Journal of Educational Research 5, no. 11 (December 11, 2020): 49-59. Accessed November 21, 2024. https://ijrdo.org/index.php/er/article/view/4008.