F. Elmore, R. “Bridging the Gap Between Standards and Achievement. The Imperative for Professional Development in Education”. Profesorado, Revista De Currículum Y Formación Del Profesorado, vol. 7, no. 1, Apr. 2016, p. 32, https://revistaseug.ugr.es/index.php/profesorado/article/view/19000.