Kąkol, Henryk, and Tadeusz Ratusiński. “The Role of Computer in the Process of Solving of Mathematical Problems (results of Research)”. Teaching Mathematics and Computer Science 5, no. 1 (June 1, 2007): 67–80. Accessed November 22, 2024. https://ojs.lib.unideb.hu/tmcs/article/view/14787.