(3GMhGd GdeSdejf ai eedcI HjJ GdebOS GdUdjHjI (B1187-1099(3e (B/ s - (3eMeO aJMi GdTGYQs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1990)
Keywords: (3JGQjNs; (3GdGSdGes; (3GdMQhH GdUdjHjIs; (3GdbOSs; (3HjJ GdebOSs