(3GdJShjI GdSjGSjI (B:s (3GdOjebQGWjI hMbhb GdGfSGf (B/s - (3YHOGdefYe SYjO s ((3GdbGgQI (B: s (3eQcR GdbGgQI dOQGSGJ Mbhb GdGfSGf ,s, 1997)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI s
Keywords: (3Mbhb GdGfSGf s; (3GdOjebQGWjI s