Varma C R R. (1998). Prakrithijeevanam: Life natural (4.). State institute of languages.
Chicago Edition CitationVarma C R R. Prakrithijeevanam: Life Natural. 4. Thiruvananthapuram: State institute of languages, 1998.
Deismireacht MLAVarma C R R. Prakrithijeevanam: Life Natural. 4. State institute of languages, 1998.
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