Ibrohim M. Khatamov. “THE TRAJECTORY OF ORGANIZING AND TEACHING A FACULTATIVE COURSE ON NON-EUCLIDEAN GEOMETRIES AT SCHOOL”. American Journal of Applied Science and Technology 3, no. 01 (January 24, 2023): 06–14. Accessed October 30, 2025. https://theusajournals.com/index.php/ajast/article/view/684.