Iziumchenko, Liudmyla, and Anna Tkachevska. “DIFFERENT WAYS OF SOLVING PROBLEMS AS A TOOL FOR FORMING FLEXIBILITY OF THINKING (ON THE EXAMPLE OF A GEOMETRIC PROBLEM)”. Education. Innovation. Practice 11, no. 9 (November 30, 2023): 48–54. Accessed September 27, 2026. https://oip-journal.org/index.php/oip/article/view/245.