Velayudhan P. (1963). Keralam padhinajum pathinarum noottadukalil. Velayudhan.
Chicago Edition CitationVelayudhan P. Keralam Padhinajum Pathinarum Noottadukalil. Velayudhan, 1963.
MLA Edition CitationVelayudhan P. Keralam Padhinajum Pathinarum Noottadukalil. Velayudhan, 1963.
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