Kesavannayar, R. (1971). Gramavikasanam. State Institute of Languages.
Citación estilo ChicagoKesavannayar, R. Gramavikasanam. Trivandrum: State Institute of Languages, 1971.
Cita MLAKesavannayar, R. Gramavikasanam. State Institute of Languages, 1971.
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