Parameswaran Pilla, E. (1972). Pennu. Vidhyarthimithram.
Chicago Edition CitationParameswaran Pilla, Erumeli. Pennu. Vidhyarthimithram, 1972.
MLA Edition CitationParameswaran Pilla, Erumeli. Pennu. Vidhyarthimithram, 1972.
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