Kumar, Arvind
Ecology and conservation of lakes, reservoirs and rivers Arvind Kumar - Jaipur ABD 2002 - 580p.
9788185771472
Water conservation
India
Aquatic ecology
333.91160954 / KUM-E
Ecology and conservation of lakes, reservoirs and rivers Arvind Kumar - Jaipur ABD 2002 - 580p.
9788185771472
Water conservation
India
Aquatic ecology
333.91160954 / KUM-E