Nair Guptan, . (1992). C.V Raman Pillai. New Delhi: Sahitya Accadamy.
Nair Guptan, . 1992. C.V Raman Pillai. New Delhi: Sahitya Accadamy.
Nair Guptan, . C.V Raman Pillai. New Delhi: Sahitya Accadamy. 1992.
