(3OYhi JYhjV MhGOK GdSjGQGJ GdOYhi GdeOfjI GdeHGTQI ddeQhQ VO TQcI GdJGejf (B/ s - (3eMeO GdefLis ([S.N] : (3ecJHg GdfgVg GdeUQjg , s, 1993)
Keywords: (3GdbGfhfs; (3GdbGfhf GdeOfis; (3GdJCejf Ydi GdSjGQGJs