(3UhdI ai ejOGf bGMd bUU Ghdi (B/ s - (3YHOGdQMef eLjO GdQHjYis ([S.N] : (3GdOGQ GdYQHjI ddehShYGJ , s, 1984)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs