Sarat Kumar,P K. (1981). Sookshma sampathikapagradhanam. State Institute of Languages.
Chicago Style aipamenaSarat Kumar,P K. Sookshma Sampathikapagradhanam. Thiruvananthapuram: State Institute of Languages, 1981.
MLA aipamenaSarat Kumar,P K. Sookshma Sampathikapagradhanam. State Institute of Languages, 1981.
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