(3GdfehPL GdGfSGfi ai GOH GdebGeI (B/ s - (3Ydi YHOGdefYe YHO GdMejOs ([S.N] : (3GdTQcI GdeUQjI GdYGdejI ddfTQ , s, 1994)
Keywords: (3GdGOH GdYQHis; (3GdebGeGJ GdYQHjIs; (3JGQjN hfbOs