Jo'rayeva Laylo Sirojiddin qizi and XATIRA GAYBULLAYEVA (2026) “PROFESSİONAL DEVELOPMENT: INTERNATİONAL QUALİFİCATİONS AND CERTİFİCATES FOR ENGLİSH TEACHERS”, NAZARIY VA AMALIY FANLARDAGI USTUVOR ISLOHOTLAR VA ZAMONAVIY TA’LIMNING INNOVATSION YO’NALISHLARI, 2(12), pp. 206–209. Available at: https://innovativepublication.uz/index.php/NUZY/article/view/4940 (Accessed: 6 March 2026).