Dr. S Thankamani amma. (2011). Malayala pathrapravarthana charithram. priyatha books.
Chicago Edition CitationDr. S Thankamani amma. Malayala Pathrapravarthana Charithram. calicut: priyatha books, 2011.
MLA Edition CitationDr. S Thankamani amma. Malayala Pathrapravarthana Charithram. priyatha books, 2011.
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