Najma,Heptulla. (1993). Environment protection in developing countries. Oxford & IBH Publishing Co.Pvt.Ltd.
Chicago Style aipamenaNajma,Heptulla. Environment Protection in Developing Countries. New Delhi: Oxford & IBH Publishing Co.Pvt.Ltd, 1993.
MLA aipamenaNajma,Heptulla. Environment Protection in Developing Countries. Oxford & IBH Publishing Co.Pvt.Ltd, 1993.
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