(3JbOjQGJ GdONd ef GdbWGY GdRQGYi (B/ s - (3GdLgGR GdeQcRi ddJYHFI GdYGeIs ([S.N] : (3GdLgGR GdeQcRi ddJYHFI GdYGeI hGdGMUGA , s, 1994)
Keywords: (3GdRQGYIs; (3GdGMUGAs; (3GdHQjOs