Ramírez Aísa, Elías. “Review about Primitivo Sánchez Delgado and Joaquín Gairín Sallán: Plan the Training in the European Higher Education Area”. Avances en Supervisión Educativa, no. 10 (April 1, 2009). Accessed February 12, 2026. https://avances.adide.org/index.php/ase/article/view/346.