To‘xtasinova, N. I., and I. Mirzaabdullayev. “QUTB KOORDINATALAR SISTEMASIDA UCHBURCHAK YUZINI HISOBLASHNI MATEMATIK MODELI”. Educational Research in Universal Sciences 2, no. 4 (April 30, 2023): 518–522. Accessed November 23, 2024. http://erus.uz/index.php/er/article/view/2184.