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. EAJESSHR [Internet]. 2024 Sep. 17 [cited 2024 Oct. 16];4(1). Available from: https://eajournalesshresearch.org/index.php/ojs-files/article/view/22