Davidova, J. et al. 2017. PSYCHOLOGICAL ASPECTS OF DEVELOPMENT OF COORDINATION BETWEEN 6-8 YEARS OLD CHILDREN’S MUSICAL HEARING AND VOCAL APPARATUS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference. 4, (May 2017), 39–49. DOI:https://doi.org/10.17770/sie2017vol4.2437.