(3GdMjhGfGJ GdHQjI hGdUjO YHQ GdYUhQ(B:s - (3GdcJGfj,eSYhO eUWais ((3LGeYI GdehUd(B:s (3OGQ GdcJH,s, 1985)
Keywords: (3Yde GdGKGQs