Abdinazarov, A. B. “YBa2 Cu3 O7-X Investigation of the Nature of Relaxation Phenomena in Ceramics”. American Journal of Social and Humanitarian Research 3, no. 12 (December 20, 2022): 163–166. Accessed May 14, 2024. https://globalresearchnetwork.us/index.php/ajshr/article/view/1823.