Moreno-Arrebola, R., Puertas-Molero, P., Castañeda-Vázquez, C., & Castro-Sánchez, M. (2019). Insufficient adherence to the physical exercise of university students. A systematic review. SPORT TK-EuroAmerican Journal of Sport Sciences, 8(1), 39–50. https://doi.org/10.6018/sportk.362041