“Introspection As a Tool for the Didactics of Sciences in Higher Education: Reflections about the Work of Otero Pedrayo As an Example”. Nudos. Revista Transdisciplinar De Sociología, Teoría Y Didáctica De La Literatura, vol. 1, no. 2, Feb. 2018, pp. 21-29, https://revistas.uva.es/index.php/nudos/article/view/1839.