David Hortiguela, Carlos Gutierrez-Garcia, Alejandra Hernando-Garijo, Combat versus team sports: the effects of gender  in a climate of peer-motivation, and levels of fun and violence in physical education students, Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports, 2017, 17, 3, s. 11-20