PACHECO AMIGO, Beatriz Mabel. Cognitive development and acquisition of the solfeggio in children from eight to twelve year old. Pensamiento Americano, [S. l.], v. 7, n. 12, 2014. DOI: 10.21803/pensam.v7i12.106. Disponível em: https://publicaciones.americana.edu.co/index.php/pensamientoamericano/article/view/106. Acesso em: 29 mar. 2025.