Kesavan Nair, R. (1971). Gramavikasanam. State institute of languages.
Chicago Edition CitationKesavan Nair, R. Gramavikasanam. Trivandrum: State institute of languages, 1971.
MLA Edition CitationKesavan Nair, R. Gramavikasanam. State institute of languages, 1971.
Warning: These citations may not always be 100% accurate.