Kesavannayar, R. (1971). Gramavikasanam. State Institute of Languages.
Chicago Edition CitationKesavannayar, R. Gramavikasanam. Trivandrum: State Institute of Languages, 1971.
MLA Edition CitationKesavannayar, R. Gramavikasanam. State Institute of Languages, 1971.
Warning: These citations may not always be 100% accurate.