(3GdOYhi GdYGeI CeGe GdgjFI GdEJgGejI (B/s - (3YHO Gddg fGUQs ((3HjQhJ (B:s (3eWHYI jhSa Sdje ,s, 1980)
. 595-569 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdJMVjQ hGdEMGdI Edi GdeMGceI GdLfGFjIs