(3ai Ydei GdYQhV hGdbGajI (B/ s - (3Gejf Ydi GdSYjOs ([S.N] : (3OGQ GdeYGQa , s, 1990)
Keywords: (3GdTYQ GdYQHis; (3GddZI GdYQHjIs; (3GdYQhV hGdbhGais