Natural resource and environmental economics /
Natural resource and environmental economics /
Roger Perman ... [et al].
- 3rd ed.
- London : Pearson Education, 2003.
- xxv, 699 p.
0237655590 : KES 7150
Environmental economics.
Natural resources--Management.
Sustainable development.
0237655590 : KES 7150
Environmental economics.
Natural resources--Management.
Sustainable development.