NAIR.P.K.G. (1990). PrINCIPLES OF ENVIRONMENTAL BIOLOGY (I.). HIMALAYA PUBLISHING HOUSE.
Chicago Edition CitationNAIR.P.K.G. PrINCIPLES OF ENVIRONMENTAL BIOLOGY. I. INDIA: HIMALAYA PUBLISHING HOUSE, 1990.
Cita MLANAIR.P.K.G. PrINCIPLES OF ENVIRONMENTAL BIOLOGY. I. HIMALAYA PUBLISHING HOUSE, 1990.
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