Proaño Grijalva, María, Daniel Alejandro Martínez Cevallos, & Mario Alguacil Jiménez. " ANALYSIS OF THE USER PROFILE AS A TOOL FOR THE DECREASE OF ABANDONMENTS IN SPORTS CENTERS." mktDESCUBRE [Online], 1.3 (2020): 107 - 117. Web. 23 Jul. 2024