作者: Ronald McCaffer

Frank Harris, BEng, MSc, Ph D, DSc, CEng, MICE, FCIOB is Emeritus Professor of Construction Science at the University of Wolverhampton. Ronald Mc Caffer, BSc, Ph D, DSc, FREng, FRSE, FICE, FCIOB, is Emeritus Professor of Construction Management at Loughborough University. Francis Edum-Fotwe, BSc, MSc, Ph D, MASCE is Lecturer in Construction and Project Management at Loughborough University.