Thompson DArchy Wentworth; Narayanaswamy P., . (1974). Valarchayum rupavum. : State Institute of Language.
Thompson DArchy Wentworth; Narayanaswamy P.N, . 1974. Valarchayum rupavum. : State Institute of Language.
Thompson DArchy Wentworth; Narayanaswamy P.N, . Valarchayum rupavum. : State Institute of Language. 1974.