1. The Memory Jogger Plus+. Methuen, Mass.: GOAL/QPC, 1989.
2. 1990. (For information on the spider chart, contact Catherine Collett, Collett and Associates, 5176 Metge Avenue, Albany, Oregon 97321.)
3. Out of the Crisis. Cambridge: Massachusetts Institute of Technology, Center for Advanced Engineering Study, 1986.
4. GOAL/QPC Research Committee. Hoshin Planning: A Planning System for Implementing Total Quality Management (TQM). Methuen, Mass.: GOAL/QPC, 1990a.
5. GOAL/QPC Research Committee. Quality Function Deployment: A Process for Translating Customers' Needs into a Better Product and Profit. Methuen, Mass.: GOAL/QPC, 1990b.