Return on investment in training and performance improvement programsJack J. Phillips · First published 1997Open the Tome
Handbook of training evaluation and measurement methodsJack J. Phillips · First published 1983Open the Tome
Return on investment in meetings and eventsJack J. Phillips, M. Theresa Breining · First published 2007Open the Tome
Measuring return on investmentJack J. Phillips, Patricia Pulliam Phillips · First published 1994Open the Tome
