TY - BOOK T1 - The contingent valuation of environmental resources : methodological issues and research needs T2 - New horizons in environmental economics (Edward Elgar) A2 - Kahn, James R A2 - Bjornstad, David J LA - English PP - Aldershot PB - Edward Elgar YR - 1996 UL - https://colectivo.uloyola.es/Record/L57805 OP - 305 SN - 1858983215 KW - Auditoría ambiental ER -