(3GdMeGjI GdELQGFjI ef GdZT GdJLGQj aj GdfXGe GdSYhOj (B:s (3OQGSI ebGQfI ddLhGfH GdELQGFjI aj fXGe ecGaMI GdZT GdJLGQj (B/s - (3GdTGPdj, aJhM YHO Gddgs ((3GdQjGV (B:s (3eYgO GdEOGQI GdYGeI, GdEOGQI GdYGeI ddHMhK,s, 1992)
(3HHdjhLQGajI (B: (3U(B. 337-347.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdZT hGdJOdjSs -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjIs