Xusanov Rustamjon Ravshanjon o’g’li. “MUSIC THEORY AND ITS DEVELOPMENT PERIODIZATION”. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact factor: 8.036 11, no. 03 (March 12, 2022): 69–74. Accessed May 17, 2024. https://gejournal.net/index.php/IJSSIR/article/view/321.