O‘tkir Utanov, and Ismatillo Nabiyev. “MUSIQA FANI O‘QITUVCHISINING KASBIY STANDARTLARIGA QO‘YILADIGAN TALABLAR”. INTEGRATION OF SCIENCE, EDUCATION AND PRACTICE. SCIENTIFIC-METHODICAL JOURNAL, June 2021, pp. 161-4, https://bilig.academiascience.org/index.php/isepsmj/article/view/143.