(3bhGfjf GdhRGQI (B/ s - (3aDGO YHOGdefYe GMeO (B((3JMbjb(B)s; (3eMeO SdjeGf OGhO (B((3JMbjb(B)s; (3GdeGQhOi(B, (3GHh GdMSf Ydi GdHUQis ([S.N] : (3eDSSI THGH GdLGeYI , s, 1991)
Keywords: (3GdGSdGes; (3GdbVGA ai GdGSdGes; (3GdfXGe GdSjGSis; (3fXGe GdMces; (3GdGSdGe hGdSjGSIs