http://www.aquinas.edu/library/data.html#bus: The Aquinas Library online databases. The first two; ABI/Inform/Global (2nd check box on list) and Academic Universe contain many business publications.
http://www.sc.edu/beaufort/library/bones.html: A bare bones tutorial for conducting web searches. (for some strange reason you may need to cut and past the url, it is not loading with a mouse click)
