(3JGQjN OeTb GdcHjQ (B/s - (3GHf YSGcQ, Ydj Hf GdMSf Hf gHI Gddg,s 499-571 (3g`(B.s; (3GdLfhHj, Ydj YGThQs ((3HjQhJ , dHfGf (B:s (3OGQ EMjGA GdJQGK GdYQHj,s, 2001)
Keywords: (3OeTb (B((3ShQjG(B)s -- (3JGQjNs