Fayzidinova Shahlo Ergashovna. “TRIGONOMETRIK TENGLAMALARNI ISHLASHDA E’TIBORGA OLINADIGAN XOSSALAR”. World Scientific Research Journal 44, no. 1 (October 25, 2025): 448–449. Accessed October 30, 2025. http://journalss.org/index.php/wsrj/article/view/3631.