Serrano Rodrigues, Leonardo, Jônatas Augusto Cursiol, and Cristiano Roque Antunes Barreira. 2021. “Subjective boundaries between fight and violence in the experience of professional MMA fighters”. Revista de Artes Marciales Asiáticas 16 (1):33-46. https://doi.org/10.18002/rama.v16i1.6488.