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, [S. l.], v. 3, n. 01, p. 06–14, 2023. DOI: 10.37547/ajast/Volume03Issue01-02. Disponível em: https://theusajournals.com/index.php/ajast/article/view/684. Acesso em: 12 jul. 2025.