1. Physical Evidence and Marketing Performance of Commercial Airlines in Nigeria;Asiegbu;American International Journal of Contemporary Research,2012
2. Australian National Audit Office (2007). Public Sector Internal Audit: An Investment in Assurance and Business Improvement, available at http://www.anao.gov.au.
3. Internal Audit Function, Employee Attitudes and Financial Performance of Public Universities: A Case Study of Kyambogo and Makerere Universities, A Dissertation Submitted to School of Postgraduate Studies;Beyanga;Makerere University Business School.,2011
4. Deloitte (2013). Keeping Promises: Putting Customers at the Heart of Retail Services, London: Creative Studio at Deloitte.
5. The Role of Internal Audit in Effective Management in Public Sector;Enofe;Research Journal of Finance and Accounting,2013