Purushothaman P. O. (1999). Tharathamyasahityam: Tatvavum prasakthiyum. State Institute of Languages.
Chicago Edition CitationPurushothaman P. O. Tharathamyasahityam: Tatvavum Prasakthiyum. Thiruvananthapuram: State Institute of Languages, 1999.
Deismireacht MLAPurushothaman P. O. Tharathamyasahityam: Tatvavum Prasakthiyum. State Institute of Languages, 1999.
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