Mjenda, Marcellina, Védaste Mutarutinya, and Dickson Owiti. “Assessing the Effectiveness of Computer-Aided Instructional Techniques in Enhancing Students’ 3D Geometry Spatial Visualization Skills Among Secondary School Students in Tanzania”. International Journal of Learning, Teaching and Educational Research 22, no. 6 (June 30, 2023): 613–637. Accessed May 1, 2026. http://www.ijlter.net/index.php/ijlter/article/view/1668.