GÓMEZ-ULLATE GARCÍA DE LEÓN, Martín. GUITAR TEACHING: STATE OF THE ART AND RESEARCH QUESTIONS. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 4, p. 361–367, 2019. DOI: 10.17770/sie2019vol4.3952. Disponível em: https://archive-journals.rtu.lv/sie/article/view/2165.. Acesso em: 11 mar. 2026.