(3GdWGgQ hWGQ JLQHI GdcJGHI GdhGbYjI (B: (3GdQhGjI fehRLG (B/ s - (3hGSji GdGYQLs ([S.N] : (3GdeDSSIGdhWfjI ddcJGH , s, 1989)
Keywords: (3GdGOH GdYQHis; (3GdLRGFQs; (3GdhGbYjI ai GdGOH GdYQHis