VARIATSION PRINSIPDAN FOYDALANIB, MATEMATIK MODELLASHTIRISHNING AHAMIYATI. INTERNATIONAL CONFERENCE ON MULTIDISCIPLINARY STUDIES AND EDUCATION, [S. l.], v. 2, n. 5, p. 168–171, 2025. Disponível em: https://eoconf.com/index.php/icmse/article/view/547. Acesso em: 17 jun. 2026.