Gopalakrishnan, P. K. (1974). Keralathile samskarika charithram. Bhasha Institute.
Chicago Edition CitationGopalakrishnan, P. K. Keralathile Samskarika Charithram. Bhasha Institute, 1974.
MLA Edition CitationGopalakrishnan, P. K. Keralathile Samskarika Charithram. Bhasha Institute, 1974.
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