Udayabhanu A P. (2000). Vriddha Vicharam. Prabhat.
Chicago Edition CitationUdayabhanu A P. Vriddha Vicharam. Thiruvananthapuram: Prabhat, 2000.
Deismireacht MLAUdayabhanu A P. Vriddha Vicharam. Prabhat, 2000.
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