Parameswara Iyer, U. S. (1967). Rathnamala: Khanda krithikal. Ullur Publishers.
Chicago Edition CitationParameswara Iyer, Ullur S. Rathnamala: Khanda Krithikal. Thiruvanntahpuram: Ullur Publishers, 1967.
Deismireacht MLAParameswara Iyer, Ullur S. Rathnamala: Khanda Krithikal. Ullur Publishers, 1967.
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