1. C. Hakes, The Corporate Self-assessment Handbook for Measuring Business Excellence.Chapman Hall (1995).
2. C. G. Armistead, P. Rowland, Managing Business Processes: BPR and Beyond. Wiley ISBN 0-471-95490-X (1996).
3. C. G. Armistead, Business Process Management. Self Assessment, pp. 9–14, ISSN1356-9627 October (1996).
4. T. Conti, Organizational Self Assessment. Chapman Hall, ISBN 0 412 78880 2 (1997).
5. D. A. Garvin, Leveraging Process for Strategic Advantage. Harvard Business Review, September–October pp. 77–90 (1995).