Here are some resources to help you with your restaurant small business project.
restaurant management books
Includes e books as well. Rules and ratios of the restaurant businesses and how to operate a successful restaurant.
This Gale Business Plan e-book has a restaurant business plan.
(Extra: don't miss the great Anthony Bourdain's book Kitchen Confidential )
Infotrac small business
Trade publications on the restaurant business. Practical how to tips and industry trends. Note: be sure your screen is tabbed to Magazines (left side of screen). Also you may want to change the results to Publication date descending (most recent first.)