(3ONhd GdLfI HZjQ MSGH (B/s - (3GdLed, EHQGgje eMeO MSfs ((3HjQhJ (B:s (3OGQ GdcJGH GdYQHj,s, 1985)
Keywords: (3GdLfIs; (3GdKhGH hGdYbGHs; (3GdEjeGf (B((3ESdGe(B)s; (3jhe GdbjGeIs; (3GdSeYjGJ (B((3Yde cdGe(B)s