Dalley C, Basarir H, Wright JG, Fernando M, Pearson D, Ward SE, Thokula P, Krishnankutty A, Wilson G, Dalton A, Talley P, Barnett D, Hughes D, Porter NR, Reilly JT, Snowden JA. Specialist integrated haematological malignancy diagnostic services: an Activity Based Cost (ABC) analysis of a networked laboratory service model. J Clin Pathol. 2015 Apr;68(4):292-300. doi: 10.1136/jclinpath-2014-202624
Reed (Earnshaw) SJ, Reed JH. The use of statistical quality control charts in monitoring interviewers. Proceedings of the Survey Research Methods Section, American Statistical Association. 1997 Jan;893-8.