Natural resource economics
Conrad, Jon M.
Natural resource economics nates and problems - NewYork Cambridge University press 1987 - x,231p. 23cm
0521337690
Natural resources,
Environmental policy
333.7 / CON
Natural resource economics nates and problems - NewYork Cambridge University press 1987 - x,231p. 23cm
0521337690
Natural resources,
Environmental policy
333.7 / CON