1. The Importance of Spatial Visualization and Cognitive Development for Geometry Learning in Preservice Elementary Teachers
2. The Effect of Instruction on Spatial Visualization Skills of Middle School Boys and Girls
3. Boakes, N. (2006). The effects of origami lessons on students’ spatial visualization skills and achievement levels in a seventh-grade mathematics classroom. (Doctoral dissertation, Temple University, 2006). Retrieved January 10, 2009, from Dissertations & Theses: Full Text database. (Publication No. AAT 3233416).