Sánchez-Toledano , B. I., Kallas, . Z., & Gil , J. M. (2017). The importance of farmers’ social, environmental and economic objectives in improved corn seeds adoption in Chiapas, México. evista e a acultad e iencias grarias NCuyo, 49(2), 269-287. etrieved from https://revistas.apps.sid.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3085