1. Albertus, R.W. (2016). Public Private Partnership Contract Management Failure in Information Technology Service Delivery: A Qualitative Inquiry into the South African Department of Labour ERP Implementation Project. Doctoral Dissertation. Cape Town: University of Cape Town.
2. Alharby, M. & Van Moorsel, A. (2017). Blockchain-Based Smart Contracts: A Systematic Mapping Study. https://www.semanticscholar.org/paper/Blockchain-based-Smart-Contracts%3A-A-Systematic-Alharby-Moorsel/5a0e7eebceec4268 6d39b42de17820f0781a61aa. Accessed 2019/05/12.
3. Allen, B., Juillet, L., Paquet, G. & Roy, J. (2005). E-government and public private partnerships: Regional challenges and strategic direction. In M. Khosrow-Pour (Ed.) Practicing E-Government: A Global Perspective (pp. 364-382). London: Idea Group Publishing.
4. Allessie, D., Sobolewski, M. & Vaccari, L. (2019). Blockchain for Digital Government: An Assessment of Pioneering Implementations in Public Service. https://joinup.ec.europa.eu/sites/default/files/document/2019-04/JRC115049%20 blockchain%20for%20digital%20government.pdf. Accessed 2019/07/10.
5. Auriacombe, C. (2016). Towards the construction of unobtrusive research techniques: critical considerations when conducting a literature analysis. African Journal of Public Affairs. 9(4), 1-19.