Ulugbek Umarovich Mansurov. “Education System in The Cities of The Ferghana Valley (in the Years of 1917–1927)”. American Journal of Social and Humanitarian Research 2, no. 2 (April 15, 2021): 147–155. Accessed August 17, 2025. https://globalresearchnetwork.us/index.php/ajshr/article/view/371.