(3GYdGe GdadSaI GdYQHjI hOQGSGJ eaUdI hfUhU eHhHI eTQhMI (B/ s - (3ceGd GdjGRLis; (3GfWhGf ZWGS cQes ([S.N] : (3ecJHI dHfGf , s, 1990)
Keywords: (3GdYUQ GdLGgdis; (3GdadSaI GdGSdGejIs; (3JGQjNs; (3GdGSdGes; (3GdadSaIs; (3GdadSaI GdjhfGfjIs; (3GdadGSaI GdeSdehfs