(3GdfXQjI GdYGeI ddbVGA hGdGKHGJ aj GdTQjYI GdGSdGejI (B: s (3eY ebGQfGJ HGdbGfhf GdhVYj (B/ s - (3GdJLcGfj , eMeO GdMHjH s ((3GdOGQ GdHjVGA (B: s (3OGQ GdfTQ GdeZQHjI , s, 1985)
Keywords: (3GdGKHGJ (B( (3abg GSdGej (B) s