(3GdUhJ h GdfZe (B: s (3OQGSI dLgGR GdUhJ h BdI GdYhO (B/ s - (3GdNQjTg, Nda NGRQs ((3YeGf (B:s (3LGeYI GdjQehc (B- (3YeGO GdHMK GdYdej h GdOQGSGJ GdYdjG,s, 1992)
Keywords: (3GdYhOs; (3GdehSjbis