| "Action Products Int'l Introduces Educational Book/Software Products," New Product Release @ http://www.techmall.com/techdocs/NP970827-1.html, two pages, Aug. 1997. |
| "Action Products Int'l to Introduce New Book Series This Spring," Press Release @ http://www.apii.com/ir/press/031497-2pr.html, Mar. 1997. |
| "Action Products Int'l Unveils Its Growth Plan and New Products," Press Release @ http://www.apii.com/ir/press/052897pr.html., May 1997. |
| Magdy F. Iskander et al., "Interactive Multimedia Lessons for Education," SBMO/IEEE MTT-S IMOC '95 Proceedings, pp. 693-700, 1995. |
| Interfact.TM. product brochure and order form from World Book, Inc. and Two-Can Publishing Ltd., no date (date unknown). |
| Web Gallery, a web page, by Prentice Hall (www.prenhall.com), date unknown. |
| Interactive Course Series, a web page, by Waite Group Press, a division of Macmillan Computer Publishing (www.waite.com), date unknown. |