Musulmonov Rustam Hamza o'g'li. “SPECIFICITY, MECHАNISMS АND TEАCHING ОF CEFR IN UZBEKISTАN”. Journal of new century innovations 14, no. 2 (October 10, 2022): 139–141. Accessed June 16, 2025. https://newjournal.org/new/article/view/482.