(3fXGe GdhRGQI ai GdOhdI GdYHGSjI (B334 - 590 (3g` GdYgOGf GdHhjgi hGdSdLhbi (B/ s - (3eMeO eSaQ GdRgQGfis ((3HjQhJ (B:s (3eDSSI GdQSGdI ,s, 1986)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdJGQjN GdGSdGeis; (3GdOhdI GdYHGSjIs; (3GdhRQGAs