Абуова, Ф. “Study of Elastic Properties of Na2SO4-V Crystal by DFT Method”. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, vol. 149, no. 4, Dec. 2024, pp. 178-9, https://bulphysast.enu.kz/index.php/physast/article/view/377.