Dey B. S. M., . (1957). Laboratory manual of organic chemistry. : S.Viswanathan.
Dey B.B Sitaraman M.V, . 1957. Laboratory manual of organic chemistry. : S.Viswanathan.
Dey B.B Sitaraman M.V, . Laboratory manual of organic chemistry. : S.Viswanathan. 1957.