(3GdEYLGR GdWHj aj GdbQBf GdcQje (B:s (3JCedGJ WHjI Mhd (B10 (3BjGJ bQBfjI (B/s - (3YHO GdYRjR, YHO GdMejO eMeOs ((3GdbGgQI (B:s (3ecJHI GHf SjfG ddfTQ hGdJhRjY,s, 1992)
Keywords: (3GdbQBfs -- (3eHGMK YGeIs -- (3GdEYLGRs -- (3GdWHs