(3GdGMUGA hGdGSJbQGA (B: (3GdLRA GdKGfi efWb GdGSJbQGA (B/ s - (3eUWai RGjOs ([S.N] : (3GdeDSSI GdYUQjI ddfTQ hGdJQLeI , s, 1991)
Keywords: (3GdGSJbQGAs; (3GdGSJOdGd GdGMUGFis; (3GdGNJHGQGJs