(3GdbGH GdTYQGA Hjf GdLGgdjI hGdGSdGe (B/ s - (3YKeGf eMeO Ydi GdYHGOdIs ([S.N] : (3OGQ GdfgVI GdYQHjI , s, 1991)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdLGgdis; (3UOQ GdGSdGes; (3GdTYQGAs; (3GdQJH hGdGdbGHs