(3GdWGYI hGdeYUjI aj VhA GdcJGH hGdSfI (B/s - (3eMehO, UahJ YHO GdaJGMs ((3GdOeGe, GdSYhOjI (B:s (3OGQ GHf GdLhRj ddfTQ hGdJhRjY,s, 1992)
(3HHdjhLQGajI (B: (3U(B. 185-190.s
Keywords: (3GdhYX hGdEQTGOs; (3GdOYhI GdESdGejIs