You can obtain additional information about most of the topics in this article from the following source:
The QFD Institute, 1140 Morehead Ct., Ann Arbor, MI 48103; www.qfdi.org
The QFD Institute, a not-for-profit organization, offers both public and in-house courses on basic QFD for hardware, services, and software (known as the QFD Green Belt program). They also provide courses on QFD for Design for Six Sigma and for academics, as well as a QFD Black Belt program for organizations that are serious about ensuring customer satisfaction with QFD. They also offer an annual conference and periodically host the international QFD symposium.
The following sites provide additional material for this article: