(3GdNOeI GdGLJeGYjI h GdEfVHGW GdGLJeGYjs - (3OGj, HjJQ Qs; (3GSYO, jhSa ejNGFjd (B( (3eJQLe (B)s ((3GdbGgQIs (3GdgjFI GdeUQjI GdYGeI ddcJGHs, 1988)
3 4 9
Keywords: (3GdNOeI GdGLJeGYjI ` eUQs; (3GdTFhf GdGLJeGYjIs; (3JfXje GdeLJeYs; (3NOeI GdaQOs