Environmental problems : protection and control /

v. 1. Environmental concept --v. 2. Environmental problems, protection and control

Sonraí bibleagrafaíochta
Príomhchruthaitheoirí: Kumar, Arun, Institute of Sustainable Development (Lucknow)
Formáid:
Teanga:eng
Foilsithe / Cruthaithe: New Delhi : Anmol Publications, 1999
Ábhair: