Joseph, A. K. . .. (1970). Sasyasamrakshanam. State Instititute of Languages.
Chicago Style aipamenaJoseph, A K. Sasyasamrakshanam. Thiruvananthapuram: State Instititute of Languages, 1970.
MLA aipamenaJoseph, A K. Sasyasamrakshanam. State Instititute of Languages, 1970.
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