Vásquez Ortiz, Romualdo, et al. “Adoption of Corn Innovations under the Field Schools Model in Tlalcozotitlán, Guerrero”. Revista Mexicana De Ciencias Agrícolas, vol. 10, no. 8, Dec. 2019, pp. 1903-9, https://doi.org/10.29312/remexca.v10i8.1832.