(3HjFI GdGSJKeGQGdUfGYi ai GdchjJ (B, (3W (B2 / s - (3ceGd GMeO YScQs ([S.N] : (3eDSSI GdchjJ ddJbOe GdYdei , s, 1984)
Keywords: (3GdchjJs; (3GdGSJKeGQs