Gracia Royo, AzucenaBarreiro Hurlé, JesúsPérez y Pérez, Luis2020-07-082020-07-082020New Medit, vol. 19, num. 2, pp. 3 - 18, (2020)http://hdl.handle.net/10532/5061enAtribución-NoComercial-SinDerivadas 3.0 EspañaAssessing the benefits of sustainability certification of biofuels: how much are consumers willing to pay?Journal ContributionBiodieselEncuestas al consumidorEspaña