(3GdGSdGe hGdaf (B/s - (3MSGe GdZeQis ((3GdbGgQI (B: s (3OGQ GdaGQhb ddfTQ hGdJhRjY,s, 2006)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdGSdGe hGdafs; (3GdKbGaI GdGSdGejIs