Tretenberg, T./ Lewis, L. Environmental 8 natural resource economic/ Tretenberg, T./ Lewis, L. - 9th - Boston pearson 2012 - xxviii, 666p,ill pbk ISBN: 0132343005 Subjects--Topical Terms: Environmental- EconomicsNatural- ResourcesEnvironmental- Policy LC Class. No.: HC 79. E5. T5 2012