Mamedova Zarnigor Nuriddin qizi. “BA’ZI TRIGONOMETRIK TENGLAMALARNI YECHISH USULLARI”. Proceedings of International Conference on Educational Discoveries and Humanities, vol. 2, no. 12, Nov. 2023, pp. 46-50, https://econferenceseries.com/index.php/icedh/article/view/3014.