(3GdJMcje GdJLGQj GdOhdj (B:s (3MJejI GdJMcje hMJejI bGfhf GdJLGQI GdOhdj (B/s - (3EHQGgje, ceGds ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdOhdj GdJLGQjs; (3GdJMcje GdJLGQjs