(3ef gOi GdbQGf ai QeVGf (B/ s - (3Gejf GdNhdis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1983)
Keywords: (3GdGSdGes; (3GdUhes; (3GdYHGOGJs; (3GdOjGfGJs