Rodríguez-Méndez, D. et al. 2016. COMPARISON OF LEVELS OF SELF-ESTEEM BY SEX AND LEVEL OF PHYSICAL ACTIVITY IN TWO GROUPS OF SENIOR ADULTS. MHSalud: Revista en Ciencias del Movimiento Humano y Salud. 13, 1 (Aug. 2016). DOI:https://doi.org/10.15359/mhs.13-1.4.