(3GdUjZ GdbGfhfjI ddYbhO GdQSejI hGdYQajI (B/ s - (3Thbi hgHis; (3egfi eTQbis ([S.N] : (3OGQ GdYGde GdYQHi ddWHGYI , s, 1992)
Keywords: (3eUQs; (3GdbGfhf GdeOfis; (3GdYbhOs