Beserra Malheiro, M. and A. Guzman, E. 2025. Sacramental-involuntary and Functional-voluntary Models: A Proposal for Understanding Christian Baptism. Kerygma. 20, 1 (Dec. 2025), e1977. DOI:https://doi.org/10.19141/1809-2454.kerygma.v20.n1.pe1977.