1. Listing your e-book with a number of e-book sites will increase your sales considerably. Each site will pay a specified percentage for each sale and the payment is known as a Royalty. The royalties paid will vary at each site and will depend on your selling price and format. Some current sites include;Institutional Investors and Equity Prices,2001
2. The Dynamics of Micro and Small Enterprises in Developing Countries;D C & C Mead;World Development,1998
3. Agent-Based Computational Economics (ACE) and African Modelling: Perspectives and Challenges