J. R. . Ferrari and J. F. Díaz Morales, “Perceptions of Self-concept and Self-presentation by Procrastinators: Further Evidence”, Span. j. psychol., vol. 10, no. 1, pp. 91–96, May 2007, Accessed: Nov. 18, 2024. Available: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0707120091A