(3Ge cdKhe (B: s (3eYLRI GdZfGA GdYQHi (B/ s - (3QJjHI GdMafis ((3GdbGgQI (B: s (3OGQ GdTQhb , s, 1994)
Keywords: (3GdehSjbjhf GdeUQjhfs; (3Ge cdKhes; (3GdafGfhf (B- (3JQGLes