1. Ang, J.S. (1991). Small Business Uniqueness and the Theory of Financial Management. Journal of Small Business Finance, Vol.1, Iss.1, 11-13.
2. Ang, J.S. (1992). On the Theory of Finance for Privately Held Firms. Journal of Small Business Finance, 1, 185-203.
3. Casey, E. & O’Toole, C. (2014). Bank-lending Constraints, Trade Credit and Alternative Financing During the Financial Crisis: Evidence from European SMEs. Journal of Corporate Finance, Volume 27, August 2014, pp. 173-193.
4. Cumming, D., Johan, S. & Zhang, M. (2014). The Economic Impact of Entrepreneurship: Comparing International Datasets. Corporate Governance: An International Review, 2014, 22,162-178.
5. European Commission (2003). 2003/361/EC. Commission Recommendation of 6 May 2003 concerning the definition of micro, small and medium-sized enterprises (notified under document number C (2003) 1422). Official Journal of the European Union.