Quintanilla Bautista, E. et al. 2018. Inluence of diferent aquatic materials on the perceived competence in the aquatic environment by students in the second cycle of early childhood education. SPORT TK-EuroAmerican Journal of Sport Sciences. 7, 2 (Sep. 2018), 73–80. DOI:https://doi.org/10.6018/sportk.342941.