International encyclopaedia of sustainable development: vol.15 /
- 1st ed.
- New Delhi: Anmol, 1998.
- viii, 285p..
- 1998.
81-7488-678-8
Sustainable development-Encyclopaedias
363.700 3 / INT.15
81-7488-678-8
Sustainable development-Encyclopaedias
363.700 3 / INT.15