Analysis of the Evolution of Primary Education Textbooks from a Critical Perspective: Study of the Musical Repertoire From 1994 to 2019. Rev. Electr. Educare [Internet]. 2022 Aug. 21 [cited 2024 May 1];26(3):1-17. Available from: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/13842