BEKMURODOVA NAFISA IZZATOVNA (2026) “MUHANDISLIK MASALALARINI YECHISHDA TRIGONOMETRIK FUNKSIYALARNING ROLI ”, TADQIQOTLAR, 89(1), pp. 175–179. Available at: http://journalss.org/index.php/tad/article/view/35132 (Accessed: 21 September 2026).