Siche, Raúl, Víctor Aredo, Lía Velásquez, and Israel Castillo. 2016. “The Simplex-Centroid Design and Desirability Function in Optimizing the Sensory Acceptability of Sweet Bread Enriched With Chenopodium Quinoa”. Enfoque UTE 7 (3):pp. 70 - 81. https://doi.org/10.29019/enfoqueute.v7n3.106.