Xakimova Mushtari Abdurasulovna. “TRIGONOMETRIK TENGLAMALARNI YECHISHNI O’QITISHNING BA’ZI USULLARI HAQIDA”. TADQIQOTLAR.UZ, vol. 32, no. 1, Feb. 2024, pp. 159-65, http://tadqiqotlar.uz/index.php/new/article/view/2163.