World Environment Day June 2009 on the theme of your planet needs you-unite to combat climate change /
World Environment Day June 2009 on the theme of your planet needs you-unite to combat climate change / [Book] :
Pakistan Engineering Congress.
- Lahore : Pakistan Engineering Congress, 2009.
- 144 p. ; 22 cm.
All.
Arid regions--Conservation--International cooperation.
Desert ecology--Conservation--International cooperation.
Desertification.
636.7
All.
Arid regions--Conservation--International cooperation.
Desert ecology--Conservation--International cooperation.
Desertification.
636.7