Mugambi MM, Ngaruiya B, Kahiga R. Influence of Learning Materials on Preprimary Children’s Performance in Science in Tharaka Nithi County, Kenya. JEL [Internet]. 2026 Feb. 23 [cited 2026 Apr. 16];5(1):16-31. Available from: https://journals.editononline.com/index.php/jel/article/view/904