Parra Sepúlveda, Yohana Valeska, et al. “Level of Physical Activity Carried Out in Students From Subsidized Private Establishments in The Community of Talcahuano in Time Of Confinement”. MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, vol. 20, no. 1, Jan. 2023, pp. 1-9, https://doi.org/10.15359/mhs.20-1.2.