Kokazhaeyva A. B., Oryngazy M. A., Rakhimgozhin B. B., and Baetov K. Kh. “FEATURES OF TEACHING SET THEORY IN A SCHOOL MATHEMATICS COURSE”. Modern Scientific Method, no. 2 (February 27, 2023). Accessed June 27, 2026. https://ojs.publisher.agency/index.php/MSM/article/view/874.