Lee, R.G.; Dale, B.G. (1998). "Business process management: a review and evaluation". Business Process Management Journal. 4 (3): 214–225. doi:10.1108/14637159810224322.
Poksinska, Bozena; Dahlgaard, Jens Jörn; Antoni, Marc (2002). "The state of ISO 9000 certification: A study of Swedish organizations". The TQM Magazine. 14 (5): 297. doi:10.1108/09544780210439734.