Sánchez-Toledano , B. I., . Z. Kallas, and J. M. Gil. “The Importance of farmers’ Social, Environmental and Economic Objectives in Improved Corn Seeds Adoption in Chiapas, México”. Revista De La Facultad De Ciencias Agrarias Uncuyo, vol. 49, no. 2, Dec. 2017, pp. 269-87, https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3085.