8Allen N Berger,Gregory F Udell. A More Complete Conceptual Framework for SME Finanee [C]. World Hank Coferenee on Small and Medium Enterprises : Overcoming Growth Constraints, MC13- 121,October,2004,14-15.
9Leora Klapper, The Role of "Reverse Factoring" in Supplier Financing of Small and Medium Sized Enterprisess[R]. World Bank, September,2004,102-103.