BEHRA (H P);KHAN (M S)
Environmental management - New Delhi Himalaya Publishing House 2011 - xxv,236 PB
978-93-5024-989-5
Economics
Natural Resources & Energy
333.7 BEHE
Environmental management - New Delhi Himalaya Publishing House 2011 - xxv,236 PB
978-93-5024-989-5
Economics
Natural Resources & Energy
333.7 BEHE