(3GHf QTO hadSaJg (B:s (3eY fUhU GdefGXQI Hjf eMeO YHOg haQM GfWhf (B/s - (3CfWhf , aQM s; (3JjRjfj , WjH s ((3HjQhJ (B:s (3OGQ GdaGQGHj ,s, 1988)
Keywords: (3GdadSaI GdESdGejI s