Durdimurotovna, Qutliyeva Gulmira, and Karimov Olimkhoja Islamovich. “Formation of Vocal-Choir Skills In The Lesson”. Miasto Przyszłości 35 (May 31, 2023): 492–495. Accessed July 19, 2025. https://miastoprzyszlosci.com.pl/index.php/mp/article/view/1436.