(3HjQe hGdYQH hGdYGde (B/ s - (3HjQe GdJhfSis; (3QTOi UGdM(B((3GTQGa(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdebGeGJs; (3GdTYQ GdYGeis