(3GdeOQSI GdSdajI hehba QLGdgG ef GdefWb hYde GdcdGes - (3eMeO YHOGdSJGQ CMeO s ((3GdbGgQI (B:s (3OGQ GdCfUGQ (B,s, 1979)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeOGQS GdSdajI s; (3YbGFO ESdGejI s