Mugambi, Mary Murugi, Boniface Ngaruiya, and Ruth Kahiga. “Influence of Learning Materials on Preprimary Children’s Performance in Science in Tharaka Nithi County, Kenya”. Journal of Education and Learning (JEL) 5, no. 1 (February 23, 2026): 16–31. Accessed April 16, 2026. https://journals.editononline.com/index.php/jel/article/view/904.