M R Gopalakrishnan nair. (1971). Karshika keedavijananam. State institute of languages.
Chicago Edition CitationM R Gopalakrishnan nair. Karshika Keedavijananam. State institute of languages, 1971.
MLA Edition CitationM R Gopalakrishnan nair. Karshika Keedavijananam. State institute of languages, 1971.
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