(3GdJbGVj aj GdCMhGd GdTNUjI (B:s (3OQGSI JaUjdjI ef GdfGMjJjf GdELQGFjI hGdehVhYjI (B/s - (3GdLfOj, CMeO fUQs ((3GdeMdI GdcHQi, eUQ (B:s (3OGQ GdcJH GdbGfhfjI,s, 1997)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdCMhGd GdTNUjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs