(3cJGH GOH GdOfjG hGdOjf (B/ s - (3eMeO aJMi GHhHcQs; (3GdehGQOi(B, (3GHhGdMSf Ydi Hf eMeOs ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1991)
Keywords: (3GdGSdGes; (3GdGNdGb GdGSdGejIs; (3GdGOGH GdGSdGejIs