Sudheer Nirethupuram. (1999). vivekaanandhan paRanJa KaThakaL. Balasahithy.
Chicago Edition CitationSudheer Nirethupuram. Vivekaanandhan PaRanJa KaThakaL. Aluva: Balasahithy, 1999.
Deismireacht MLASudheer Nirethupuram. Vivekaanandhan PaRanJa KaThakaL. Balasahithy, 1999.
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