(3OQGSGJ ai GdTYQ GdYQHi GdMOjK(B: s (3HMhK ebGQfI ai GdJGQjN hGdXhGgQ hGdJWhQ (B/ s - (3eThM (B: (3hdjOs ((3ShQjG(B: s (3OGQ eYO ddfTQ hGdJhRjY(B: s, 1993)
Keywords: (3GdTYQ GdYQHis -- (3JGQjN hfbOs