4Van de Walle, D. Nead, K. (Eds.) , Public Spending and the Poor: Theory and Evidence Bahimore:Johns Hopkins University Press, 1995.
5Jimenez, E. Human and Physical Infrastructure: Public Investment and Pricing Policy in Developing Countries. Handbook of Development Economics, Vol. Ⅲ, 1995.
7Alter, K. (2007). Social enterprise typology. Re- trieved 08-- 30, 2012, from http.. //rinovations. edublogs. org/files/2008/07/ setypology, pdf.
8Austin, J., Stevenson, H., b- Wei-Skillern, J. (2006). Social and commercial entrepreneurship: Same, different, or both? Entrepreneurship Theory and Practice, 30(1), 1--22.
9Burns, M. J. (2003). Self-Sufficiency: How impor- tant is it? In community wealth ventures (Ed.), Powering Social Change: Lessons on Community Wealth Generation for Nonprofit Sustainability (pp. 30--33). Washington, DC: Community Wealth Ventures, Inc.
10Dees, J. G. (1998). The Meaning of Social Entrepre- neurship. Retrieved 08-- 30, 2012, from http ://faculty. fu- ,qua: duke edu/centers/casel 0/files/dees-SE pdf.