(3GdfGHZI GdLYOi MjGJg hTYQg (B/ s - (3GdfGHZI GdLYOi , GHhdjdi bjS Hfs; (3Ndjd GHQGgje GHhOjGHs ((3ShQjG (B: s (3OGQ Gdbde ddfTQ hGdJhRjY , s, 1987)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3OhGhjf hbUGFOs; (3GdJQGLes