Kottayathu Thampuran. (1973). Nivaatha kavacha kaalakeya vadham.
Chicago Edition CitationKottayathu Thampuran. Nivaatha Kavacha Kaalakeya Vadham. 1973.
MLA Edition CitationKottayathu Thampuran. Nivaatha Kavacha Kaalakeya Vadham. 1973.
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