Miranda Santana, Cristina, and Óscar Medina Fernández. “Curriculum Development Based on Essential Tasks: Observations for a Vocational Training Pedagogy”. QURRICULUM - Revista de Teoría, Investigación Y Práctica Educativa, no. 30, Oct. 2017, pp. 127-55, https://www.ull.es/revistas/index.php/qurriculum/article/view/41.