Bexruz Hamidovich Boltayev. “The Content and Methodology of the Process of Establishing the Voice of Students in Singing”. MEDICINE, PEDAGOGY AND TECHNOLOGY: THEORY AND PRACTICE, vol. 2, no. 2, Feb. 2024, pp. 179-88, https://universalpublishings.com/~niverta1/index.php/mpttp/article/view/4362.