“Presentación”. 2021. In Urban and Peri-Urban Agricultural Production and Its Contribution to Food Security in Colombia , by Carlos Edwin Carranza Gutiérrez, Martha Cecilia Vinasco Guzmán, Ramón Antonio Mosquera Mena, Sandra Patricia Montenegro Gómez, Yetfersson Arley Serrato Velosa, Yolvi Prada Millán, and Yulian Adalberto Sepúlveda Casadiego, 16. Agriculture, Livestock and Environment. Colombia,CO: Sello Editorial UNAD. https://doi.org/10.22490/.