I. M. Herrera Sánchez, J. M. León Rubio, and S. Medina Anzano, “A Pragmatic Guideline for Evaluation of Social Intervention”, Span. j. psychol., vol. 8, no. 1, pp. 21–29, Apr. 2005, Accessed: Nov. 18, 2024. Available: https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0505120021A