Aparco, Juan Pablo, et al. “Assessment of the Nutritional Status, Physical Activity, and Eating Habits of Schoolchildren in Cercado De Lima”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 33, no. 4, Dec. 2016, pp. 633-9, https://doi.org/10.17843/rpmesp.2016.334.2545.