López Acevedo, J. J. “School Garden As a Self-Sustainable Component of School Snacks in Nutritional Food Security and Its Use As a Pedagogical Tool”. Revista Electrónica De Investigación En Ciencias Económicas, vol. 7, no. 14, Feb. 2020, pp. 87-98, doi:10.5377/reice.v7i14.9376.