(3eONd Edi GdGbJUGO GdCSdGei (B/s - (3YHOGdYRjR agei gjfcd s ((3GdbGgQI (B:s (3OGQ GdLGeYjI ddWHGYI hGdfTQ hGdJhRjY ,s, 1988)
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGO GdESdGeis