00693nam a2200229Ia 4500 CTU_65540 210402s9999 xx 000 0 und d 614000 333.7 T564 Tietenberg, Tom Environmental and natural resource economics Tom Tietenberg New York Addison Wesley 2003 Lượng giá tài nguyên môi trường nâng cao KT933 Environmental economics,Environmental policy,Natural resources Governmental policy TUYẾN Trung tâm Học liệu Trường Đại học Cần Thơ