(3GdNdaGA GdQGTOhf (B: s (3GdbGOI GdGhajGA hGYXe GdNdaGA(B((3GHhHcQ(B/(3YeQ(B/(3YKeGf(B/(3Ydj(B) / s ((3GdbGgQI (B: s (3OGQ GdSdGe ddfTQ , s, 2004)
Keywords: (3GdSjQI hGdbQGfs