Nurkayev, Shuhrat Jurayevich. “ENG SODDA TRIGONOMETRIK TENGLAMALARNI GRAFIK USULDA YECHISH”. Innovative Development in Educational Activities 2, no. 2 (January 30, 2023): 183–196. Accessed May 10, 2025. https://openidea.uz/index.php/idea/article/view/730.