Singh, R P
Environmental studies - New Delhi: Concept publishing, 2012 - 344p.
978 81 8069 774 6 Rs.1200.00
Human ecology- Study and teaching-India
Environmental science-India
Natural resources-India
304.2 / S617
Environmental studies - New Delhi: Concept publishing, 2012 - 344p.
978 81 8069 774 6 Rs.1200.00
Human ecology- Study and teaching-India
Environmental science-India
Natural resources-India
304.2 / S617