Riesgo, L., F. J. Areal, and E. Rodríguez-Cerezo. “How Can Specific Market Demand for Non-GM Maize Affect the Profitability of Bt and Conventional Maize? A Case Study for the Middle Ebro Valley, Spain”. Spanish Journal of Agricultural Research 10, no. 4 (December 1, 2012): 867-876. Accessed May 1, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/2119.