1.
Dávila de León, María Celeste and Chacón Fuertes, Fernando. 2007. Prediction of Longevity of Volunteer Service: A Basic Alternative Proposal. The Spanish Journal of Psychology 10, 1, 115–121. Retrieved December 6, 2025 from https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0707120115A