Balagopal,B. (1991). Anweshanathinte aarambham. Prabhath, Thiruvananthapuram.
Chicago Edition CitationBalagopal,B. Anweshanathinte Aarambham. Prabhath, Thiruvananthapuram: Prabhath, Thiruvananthapuram, 1991.
Cita MLABalagopal,B. Anweshanathinte Aarambham. Prabhath, Thiruvananthapuram, 1991.
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