Rosales, Cristina, and Lidia Cabrera. “Causes and Solutions to the Low Education Achievement of the Canary Islands Shown in Comparative Assessment”. QURRICULUM - Revista de Teoría, Investigación Y Práctica Educativa, no. 30, Oct. 2017, pp. 157-81, https://www.ull.es/revistas/index.php/qurriculum/article/view/42.