(3GbJUGOjGJ GdfbhO hGdHfhc (B/s - (3eMeO CMeO GdQRGRs ((3GdbGgQI (B:s (3OGQ GdKbGaI GdYQHjI,s, 2000)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfbhO hGdHfhcs; (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs