(3eTjNI GHi GdehGgH GdMfHdi (B/ s - (3GdHYdi (B, (3YHOGdLdjd Hf GHi Gdes; (3eMeO eWjY GdMGaXs ([S.N] : (3OGQ GdacQ GdeYGUQ , s, 1990)
Keywords: (3GdJQGLes; (3GdabgGAs; (3GdabgGA GdMfGHdIs