Parameswara Iyer, U. S. (1990). Kerala saahithya charithram (Ed.4.).
Chicago Edition CitationParameswara Iyer, Ulloor S. Kerala Saahithya Charithram. Ed.4. 1990.
Deismireacht MLAParameswara Iyer, Ulloor S. Kerala Saahithya Charithram. Ed.4. 1990.
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