This is one of many useful online Harvard references that I used in the Level 5 Maths ADTLLS, Meeting a learner’s needs / case study assignment (Part of Module 1: Approaches to Mathematics learning and teaching).
Evans, J. (2000), The Transfer of Mathematics Learning from School to Work not Straightforward but not Impossible Either. In: Besot, A. and Ridgeway, J., (eds.) Education for Mathematics in the Workplace. Dordrecht: Kluwer Academic Publishers, pp.5-15.