Koshy Cherian. (1972). Ssya paristhithi vijnanam. State Institute of Languages.
Chicago Edition CitationKoshy Cherian. Ssya Paristhithi Vijnanam. Trivandrum: State Institute of Languages, 1972.
Deismireacht MLAKoshy Cherian. Ssya Paristhithi Vijnanam. State Institute of Languages, 1972.
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