(3GdfXGe GdSjGSi GdeUQi(B: (3GdJZjQ hGdGSJeQGQ GYeGd GdDJeQ GdSfhi GdGhd ddHMhK GdSjGSjI (B/ s - (3GdSjO YHOGdeWdH ZGfes; (3GdSjO YHOGdeWdH ZGfes ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1988)
Keywords: (3eUQs; (3GdfXGe GdSjGSis; (3GdKbGaI GdSjGSjIs