C.Ж.Самадов, and Д.Ҳ.Бобоназаров. “МАТЕМАТИЧЕСКАЯ ГРАФИКА ТЕХНОЛОГИЙ”. World scientific research journal 26, no. 1 (March 29, 2024): 28–30. Accessed May 20, 2024. http://www.wsrjournal.com/index.php/wsrj/article/view/3165.