1. M. Bhatty, Science, 319 (2008), 769-771.
2. F. Bifulco, M. Tregua, and C.C. Amitrano, Journal of Management and Management, 2 (2014), 27-33.
3. S.R. Smith and H. Ingram, The Good Society, 11 (2002), 55-60.
4. L.B. Bingham, T. Nabatchi, R. O’leary, Public Administration Review, 65 (2005), 547-558.
5. M. Mauher and V. Smokvina, Proceedings of the 29th International Convention of MIPRO, Opatija, Croatia, May 22-26, 2008.