Haqqulov MY. ISSUES OF COTTON BREEDING, IRRIGATION, AND AGRICULTURAL TECHNOLOGY IN THE SOURCES ON THE HISTORY OF COTTON PRODUCTION IN THE FERGANA VALLEY DURING THE SOVIET PERIOD. ojhpl [Internet]. 2026 Sep. 7 [cited 2026 Sep. 15];6(09):24-31. Available from: https://www.supportscience.uz/index.php/ojhpl/article/view/4692