TY - GEN TI - Evaluation of agri-environmental policies: selected methodological issues and case studies SN - 978-92-64-17932-5 U1 - OCDE 338.181 E926e 2012 PY - 2012/// CY - Paris [Francia] : PB - Organisation for Economic Co-operation and development, KW - COOPERACIÓN INTERNACIONAL AGRÍCOLA ER -