Venkatasubban K., . (1944). Cytological studies in bignoniaceae. : Annamalai university.
Venkatasubban K.R, . 1944. Cytological studies in bignoniaceae. : Annamalai university.
Venkatasubban K.R, . Cytological studies in bignoniaceae. : Annamalai university. 1944.