Hetmanenko, Liudmyla, and Liudmyla Khoruzha. “Digital Twin Technology in Teaching Geometry: Didactic Potential and a Methodology for Visualizing the Concepts of Area and Diameter”. Computer and Decision Making: An International Journal 3 (July 31, 2026): 947–963. Accessed July 31, 2026. https://comdem.org/index.php/comdem/article/view/18358.