(3GdfGSN h GdefShN aj GdbQBf GdcQje (B/ s - (3EHf GdYQHj, CHh HcQ eMeO Hf YHO Gddgs; (3YejQGJ, RcQjGs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 2001)
Keywords: (3GdbQBf GdcQjes; (3GdfGSNs; (3GdefShNs