(3GdhJO(B. (3QHGYjI (B/ s - (3NjQi TdHis ([S.N] : (3OGQ GdacQ ddOQGSGJ hGdfTQ hGdJhRjY , s, 1986)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdbUjQIs