Puranik P.G, Nag B.B, . (1985). A Text Book Biology. Nagpur: S Chand and Company Ltd.
Puranik P.G, Nag B.B, . 1985. A Text Book Biology. Nagpur: S Chand and Company Ltd.
Puranik P.G, Nag B.B, . A Text Book Biology. Nagpur: S Chand and Company Ltd. 1985.
