J. L. López González, J. F. Álvarez Gaxiola, S. E. Rappo Miguez, M. Ángel Damián Huato, J. A. Méndez Espinosa, and J. A. Paredes Sánchez, “Family gardens and food security: the case of the municipality of Calpan, Puebla, Mexico”, ASYD, vol. 16, no. 3, pp. 351–371, Oct. 2019.