Effective portfolio management systems

by Voehl, Christopher F., Harrington, H. J., Ruggles, William S.
Published 2015

The lean management systems handbook

by Charron, Rich, Harrington, H. J., Voehl, Frank, Wiggin, Hal
Published 2015

Project management for performance improvement teams

by Ruggles, William S., Harrington, H. J.
Published 2018