Velásquez-Quispe, L. S., Ortiz-Meza, C. A., Calizaya-Mamani, U. G., Zapana-Calderón, A. A., & Chire-Fajardo, G. C. (2021). Nutritional energy in pos COVID-19 time in Peru. Enfoque UTE, 12(4), pp. 1 – 28. https://doi.org/10.29019/enfoqueute.761