(3GdLGJ heUQ hGdHdOGf GdYQHjI (B=GATT : s (3ef gGaGfG Gdi eQGcT (B( 1947-1994 ) / s - (3GSGeI GdeLOhHs ((3GdbGgQI (B: s (3GdOGQ GdeUQjI GddHfGfjI , s, 1996)
Keywords: (3GdGJaGbjGJ GdOhdjIs; (3GdGJaGbjGJ GdJLGQjIs; (3GdLGJs