CUEVAS TORRES, Marilis; MARRERO BATISTA, Militza; MORENO CEDEÑO, Ingrid; SANTINI GREEN, Eneida; VALENTIN SANTANA, José; OCASIO PÉREZ, Aidin. Motivation of a group of volunteers affiliated with two nonprofit organizations on the Southern area of Puerto Rico. Informes Psicológicos, Medellín, CO, v. 15, n. 1, p. 47–61, 2015. DOI: 10.18566/infpsicv15n1a03. Disponível em: https://revistas.upb.edu.co/index.php/informespsicologicos/article/view/934. Acesso em: 6 jun. 2026.