Unnikrishnan, p. (1977). Aanapaka. sahthya pravarthaka sahakarana sangam.
Chicago Edition CitationUnnikrishnan, puthur. Aanapaka. kottayam: sahthya pravarthaka sahakarana sangam, 1977.
MLA Edition CitationUnnikrishnan, puthur. Aanapaka. sahthya pravarthaka sahakarana sangam, 1977.
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