Marín-Liébana, Pablo, et al. , translators. “Analysis of the Evolution of Primary Education Textbooks from a Critical Perspective: Study of the Musical Repertoire From 1994 to 2019”. Revista Electrónica Educare, vol. 26, no. 3, Aug. 2022, pp. 1-17, https://doi.org/10.15359/ree.26-3.5.