Choir Singing as a Cross-cutting Focal Point of Knowledge, Attitudes and Values: A Proposal aimed at Students on the Degree in Early Childhood Education and Primary Education. Foro de Edu. [Internet]. 2017 Jan. 1 [cited 2025 Feb. 8];15(22):1-21. Available from: http://forodeeducacion.com/ojs/index.php/fde/article/view/173