(3GdGfJGL GdUfGYi GdSdYi (B/ s - (3GdLgGR GdeQcRi ddJYHFI GdYGeIs ([S.N] : (3GdLgGR GdeQcRi ddJYHFI GdYGeI hGdGMUGA , s, 1994)
Keywords: (3GdJLGQIs; (3GdGMUGAs; (3GdUfGYIs; (3GdGSYGQs; (3GdGfJGLs