(3bGehS NdjaI GdJTQjMi (B( (3GfLdjRi (B- (3YQHi (B) / s - (3MSjf NdjaIs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1979)
Keywords: (3LSe GdGfSGfs; (3GdJTQjMs; (3GdeaGgjes