Verma V, . (1989). A.T.B.Of Plant Physiology. NOT DEFINED: Emkay Publication.
Verma V, . 1989. A.T.B.Of Plant Physiology. NOT DEFINED: Emkay Publication.
Verma V, . A.T.B.Of Plant Physiology. NOT DEFINED: Emkay Publication. 1989.
