VITOLS, Edgars. PERSONALITY QUALITIES DEVELOPMENT OPPORTUNITIES IN EXTENDED CHOIR ACTIVITIES. ARTS AND MUSIC IN CULTURAL DISCOURSE. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, p. 87–96, 2016. DOI: 10.17770/amcd2016.2215. Disponível em: https://journals.rta.lv/index.php/AMCD/article/view/2215.. Acesso em: 4 dec. 2024.