Beckhauser, Sheila Patrícia Ramos, and Maria José Carvalho de Souza Domingues. 2017. “The Professionalization of Volunteer Management: A Case Study of the Volunteers Department of the Hospital Israelita Albert Einstein”. Saúde E Sociedade 26 (4): 1026-43. https://doi.org/10.1590/s0104-12902017170288.