(3GdeYLe aj HbjI GdCTjGA eY Pjd GSeGA HbjI GdGTjGA (B/ s - (3GdYScQj, CHh gdGd GdMSf Hf YHO Gddg Hf Sgds; (3YhV, CMeO YHO GdJhGHs ((3GdbGgQI (B:s (3OGQ GdaVjdI ddfTQ h GdJhRjY,s, 1997)
Keywords: (3GddZI GdYQHjIs; (3GdbhGejSs; (3Yde GdOdGdIs