Semenikhina, Olena V., and Maryna H. Drushliak. “GEOGEBRA 5.0 TOOLS AND THEIR USE IN SOLVING SOLID GEOMETRY PROBLEMS”. Information Technologies and Learning Tools 44, no. 6 (December 27, 2014): 124–133. Accessed March 17, 2025. https://journal.iitta.gov.ua/index.php/itlt/article/view/1138.