(3GdehSjbi hGdMVGQI (B/ s - (3MSjf ahRi (B((3eQGLY(B)s; (3GMeO MeOi eMehOs; (3dGjNJfJQjJ, ghLQs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1998)
Keywords: (3GdehSjbi (B- (3JGQjNs; (3GdehSjbi hGdMVGQIs; (3GdehSjbi hGdeLJeYs