(3GYJbGO Cgd GdSfI TQM CUMGH GdMOjKs (3LedI eG McGg Yfge CHh GdMSf GdCTYQj hbQQg aj ebGdGJg (B/s - (3GdNejS, eMeO Hf YHO GdQMef,s 1376 (3gLQj(B-s ((3GdQjGV (B:s (3hRGQI GdTDhf GdESdGejI hGdChbGa hGdOYhI hGdEQTGO,s, 1998)
Keywords: (3Yde GdcdGes