Rajapbayevna, Madaminova Nargiza. “The Evolution of the Derivational System in the Russian Language”. American Journal of Language, Literacy and Learning in STEM Education (2993-2769) 2, no. 2 (February 28, 2024): 466–470. Accessed December 22, 2024. http://grnjournal.us/index.php/STEM/article/view/3382.