MAKHAMATOVA MARJONA AZAMATJONOVNA. PROCESSES OF IMPROVEMENT OF UZBEKISTAN FOLK INSTRUMENTS (ON THE EXAMPLE OF THE CHANG INSTRUMENT). International Multidisciplinary Journal for Research & Development, [S. l.], v. 13, n. 4, p. 297–303, 2026. Disponível em: https://ijmrd.in/index.php/imjrd/article/view/5558. Acesso em: 22 sep. 2026.