(3GdfXQjI hGdGHOGY ai SjfGQjh hGNQGL Gdajde GdSjfeGFi (B/ s - (3eOchQ KGHJs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdGadGe GdSjfeGFjIs; (3GdSjfeGs; (3GdGNQGL GdSjfeGFis