Sánchez-miguel, Emilio, and Jesús-Nicasio García-sánchez. 2001. “The Decade 1989-1998 in Spanish Psychology: An Analysis of Research in Developmental and Educational Psychology”. The Spanish Journal of Psychology 4, nº 2:: 182. https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0101220182A