M R Gopalakrishnan nair. (1971). Karshika keedavijananam. State institute of languages.
Dyfyniad Arddull ChicagoM R Gopalakrishnan nair. Karshika Keedavijananam. State institute of languages, 1971.
Dyfyniad MLAM R Gopalakrishnan nair. Karshika Keedavijananam. State institute of languages, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.