Ramachandran Nair K. (1994). S.Guptan Nair: Vyaktiyum nirupakanum. D C Books.
Chicago Edition CitationRamachandran Nair K. S.Guptan Nair: Vyaktiyum Nirupakanum. Kottayam: D C Books, 1994.
MLA Edition CitationRamachandran Nair K. S.Guptan Nair: Vyaktiyum Nirupakanum. D C Books, 1994.
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