(3JcfhdhLjG JSejO GTLGQ GdaGcgI ai GdGQGVi GdUMQGhjI (B/ s - (3GdTGPdi (B: (3SYjO YHO GdYGWis ((3GdbGgQI (B: s (3GdecJHI GdGcGOjejI (B: s, 1987)
(3GdfSN ef(B115160-115162(3GgOGA ef GdecJHI GdGcGOjejIs
Keywords: (3GTLGQ GdaGcgIs; (3GdGSeOIs; (3GdJSejOs; (3GdfHGJGJ GdUMQGhjIs