(3Gdedd hGdfMd (B/ s - (3GdTgQSJGfi(B: (3GHhGdaJM eMeO Hf YHOGdcQje Hf GMeOs; (3eMeO SjO cjdGfi (B((3JMbjb(B)s ([S.N] : (3OGQ UYH , s, 1986)
Keywords: (3GdGSdGes; (3GdOjGfGJ GdbOjeIs