Process redesign concerns with improve the current process so that it matches with the company’s strategy Process re-engineering is a radical change to the current process Harmon can be a useful tool
Davenport and Short are not mentioned in the ACCA study guide and I can’t off hand remember it being mentioned in ACCA answers or in most study texts. Personally, I wouldn’t bother with it.
Harmon is mentioned and has been asked for (or heavily hinted at) in a couple of exams.