Aristizábal Vallejo, N. (2008) “Opinion of educational agents of Colombian and Spanish Psychology programs on the implications of the aging of the population”, Informes Psicológicos, 10, pp. 81–100. Available at: https://revistas.upb.edu.co/index.php/informespsicologicos/article/view/932 (Accessed: 6 June 2026).