ALGIN, Sergei. Positional principle in practice of training to game on the keyboard of organno-piano type. ARTS AND MUSIC IN CULTURAL DISCOURSE. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, p. 73–80, 2013. DOI: 10.17770/amcd2013.1264. Disponível em: https://journals.rta.lv/index.php/AMCD/article/view/1264.. Acesso em: 1 may. 2024.