Santiago, Paulo, Pedro Teques, Daniel Duarte, and Jose Palacios. “Estudo Do Perfil De Competências Do Nadador-Salvador Português (A Competency Profile of the Portuguese Lifeguard) (El Perfil Del Socorrista acuático portugués)”. Retos 37 (January 1, 2020): 673–679. Accessed June 10, 2026. https://revistaretos.org/index.php/retos/article/view/74342.