Kissabekova Асемгуль, Krasnikov Алексей, Assylbayev Руслан, and Baubekova Гулдар. 2024. “Cathodoluminescence Characteristics of Bismuth-Doped Lanthanide Niobates”. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES 149 (4):100-114. https://bulphysast.enu.kz/index.php/physast/article/view/373.