Wellington Square(Updated) Apples Bruce Level 1B by Keith Gaines, Tessa Krailing Paperback, 32 Pages, Published 2001 by Thomas Nelson & Sons Ltd ISBN-13: 978-0-17-422805-9, ISBN: 0-17-422805-8
The QFD Book The Team Approach to Solving Problems and Satisfying Customers Through Quality Function Deployment by Lawrence R. Guinta, Nancy C. Praizler, James N. Arbury Hardcover, 160 Pages, Published 1993 by Amacom ISBN-13: 978-0-8144-5139-7, ISBN: 0-8144-5139-X