(3GdYdGbGJ GdYGeIs (3GdeaGgje hGdJWHjbGJ (B/s - (3eMeO MQHi MSf(B.s; (3eMeO MQHi MSf(B.s; (3eMeO YHO MSjf(B.s; (3MSjf Pfhf GdHjGJi(B.s ((3GdbGgQI (B:s (3OGQ GdcJH(B.,s, 1991)
All age.
Keywords: (3GdYdGbGJ GdYGeIs -- (3eUQ(B.s; (3GdYdGbGJ GdYGeI (B- (3eaGgje(B.s; (3GdYdGbGJ GdYGeI (B- (3JWHjbGJ(B.s