(3GdehQO GdbQjH(B: (3bGehS LjH YQHi(B-(3GfLdjRi (B/ s - (3QhMi GdHYdHcis ([S.N] : (3OGQ GdYde ddedGjjf , s, 1992)
Keywords: (3GddZI GdYQHjIs; (3GddZI GdGfLdjRjIs