Raphi, P. (1963). Puttu Ru. Sahitya Pravarthaka Co-operative Society Ltd.
Chicago Edition CitationRaphi, Ponnikkara. Puttu Ru. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1963.
Deismireacht MLARaphi, Ponnikkara. Puttu Ru. Sahitya Pravarthaka Co-operative Society Ltd, 1963.
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