“Effectiveness of Science Technology Engineering and Mathematics (STEM) Programme in Improving Chemistry Academic Achievement of Students in Public Extra-County Secondary Schools in the North-Rift Region, Kenya”. East African Journal of Educational, Social Science and Humanities Research 4, no. 1 (September 17, 2024). Accessed October 16, 2024. https://eajournalesshresearch.org/index.php/ojs-files/article/view/22.