(3GdGSJLhGH (B:s (3chSjdI ddQbGHI GdHQdeGfjI Ydi CYeGd GdMcheI aj eUQ hGdchjJ (B/s - (3LGHQ LGO fUGQ(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1999)
(3HTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdQbGHI GdHQdeGfjIs; (3eUQs; (3GdchjJs