1. European Union, Eurostat (ed). 2015. Statistics on small and medium-sized enterprises. Retrieved July 10, 2017 from http://ec.europa.eu/eurostat/statistics-explained/index.php/ Statistics_on_small_and_medium-sized_enterprises
2. Liu, X. 2008. SME development in China: a policy perspective on SME industrial clustering. In Lim, H. (ed). SME in Asia and globalization, ERIA research project report, 37--68. Retrieved April 01, 2017 from http://www.eria.org/SME%20Development%20in %20ChinA%20Policy%20Perspective%20on%20SME%20Industrial%20Clustering.pdf
3. Chen, J. 2006. Development of Chinese small and medium-sized enterprises. Journal of Small Business and Enterprise Development. 13, 2, 140--147. DOI= https://doi.org/10.1108/14626000610665854.
4. KfW Bankengruppe (ed). 2015. Profile: the SME sector in Germany. Retrieved September 02, 2017 from https://www.kfw.de/migration/ Weiterleitung-zur-Startseite/Homepage/KfW-Group/Research/PDF-Files/The-SME-sector-in-Germany.pdf
5. Acs, Z. J., Morck, R., and Yeung, B. 2001. Entrepreneurship, globalization, and public policy. Journal of International Management. 7, 3, 235--251. DOI=https://doi.org/10.1016/S1075-4253(01)00046-1.