Hortiguela Alcala, David, Ángel Pérez Pueyo, and Víctor Abella García. “How Do Teachers Perceive Key Competencies? Qualitative Study of Its Incorporation As a Learning Tool”. Qualitative Research in Education 5, no. 1 (February 28, 2016): 25–48. Accessed April 28, 2024. https://hipatiapress.com/hpjournals/index.php/qre/article/view/1348.