Kirgizboeva Malohat Mamatkarim kizi. “APPLICATION OF VARIATIONAL CALCULUS METHODS IN MECHANICAL ENGINEERING”. Journal of Applied Science and Social Science 16, no. 4 (April 30, 2026): 1325–1328. Accessed August 28, 2026. https://www.internationaljournal.co.in/index.php/jasass/article/view/4223.