(3GdJaSjQ GdMOjK ddcJGH GdebOS (B: s (3GdYgO GdLOjO GfLjd dhbG (B/ s - (3LhRja UGHQs; (3ehQjS , GdbS djhfs; (3fjcdS fSjes ((3GdbGgQI (B: s (3OGQ GdKbGaI , s, 1991)
Keywords: (3GdYgO GdLOjOs; (3GdeSjMs; (3GfLjd dhbGs