(3eMeO NGJe GdfHjjf Udi Gddg Ydjg hSde (B/ s - (3SejM YGWa GdRjfs; (3YHOGdJhGH jhSas ((3GdbGgQI (B: s (3OGQ GdcJGH GdeUQi , s, 1991)
Keywords: (3GdSjQI GdfHhjIs; (3GdGSdGe (B- (3JGQjNs; (3GdhMis; (3aJM ecIs; (3GdeSdehf hGdjghOs; (3Ggd HjJ GdQShd Udi Gddg Ydjg hSdes