Alvarez, C. E., Herrera Monge, M. F., Herrera González, E., Villalobos Víquez, G., & Araya Vargas, G. (2020). Sobrepeso, obesidad, niveles de actividad física y autoestima de la niñez centroamericana: un análisis comparativo entre países (Overweight, obesity, physical activity levels, and self-esteem in Central American children: comparative analysis between cou. Retos, 37, 238–246. https://doi.org/10.47197/retos.v37i37.71680