(3GdSejI GdHjFjI hGdJaGYdGJ GdMjhjI ddcjejGFjGJ hGdeHjOGJ (B/s - (3YHO GdMejO, RjOGf gfOjs ((3GdbGgQI (B:s (3GdOGQ GdYQHjI ddfTQ hGdJhRjY,s, 2000)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3eHjOGJ GdMTQGJs; (3GdcjeGhjGJs; (3JdhK GdHjFIs