Garcia-Galan, M. M., del Moral-Agúndez, A., & Galera-Casquet, C. (2014). Valuation and importance of the extrinsic attributes of the product from the firms´ perspective in a Spanish wine protected designation of origin. Spanish Journal of Agricultural Research, 12(3), 568-579. https://doi.org/10.5424/sjar/2014123-6036