Agyei, Douglas D., and Isaac Benning. “Pre-Service teachers’ Use and Perceptions of Geogebra Software As an Instructional Tool in Teaching Mathematics”. Journal of Educational Development and Practice 5, no. 1 (December 1, 2014): 21–46. Accessed May 15, 2024. https://journal.ucc.edu.gh/index.php/jed-p/article/view/964.