(3eCSGI GdEOeGf (B:s (3GdEOeGf SjchdhLjG hbGjI hYdGL (B/s - (3ejGSG, eMeOs; (3MeO, HTjQs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1997)
(3HHdjhLQGajI (B: (3UaMI (B345-347.s
Keywords: (3EOeGf GdeNOQGJs; (3GdeNOQGJ hGdTHGHs