(3McGjGJ ShQI Gdcga ddGWaGd (B/ s - (3djdi eHQhcs ([S.N] : (3GdeNJGQ GdGSdGei ddWHY hGdfTQ hGdJhRjY , s, 1993)
Keywords: (3JaGSjQs; (3ShQI Gdcgas; (3cJH GdGWaGds; (3GdbQGfs