Environmental deterioration in India-causes and control: With special reference to Punjab
Singh, Gian
Environmental deterioration in India-causes and control: With special reference to Punjab - New Delhi: Agricole Publishing Academy, 1991 - xvi, 266p.
Environment deterioration
Environmental causes
502.6(540) / N1
Environmental deterioration in India-causes and control: With special reference to Punjab - New Delhi: Agricole Publishing Academy, 1991 - xvi, 266p.
Environment deterioration
Environmental causes
502.6(540) / N1