(3GdfU GdcGed dSjfGQjh GdeSdSd GdJdjaRjhfi LeGd GdOjf GdGaZGfi L(B1 / s - (3GMeO QGFas ([S.N] : (3GdRgQGA ddGYdGe GdYQHi , s, 1988)
Keywords: (3eUQs; (3GdJdjaRjhfs; (3GdeSdSdGJ GdJdjaRjhfjIs