J. G. · John B. Gradwell · John B. Gradwell and Malcolm Welch · John G.
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Activity Manual for Technology: Shaping Our World | Paperback | 978-1-56637-218-3 | 1996 | Malcolm Welch · Eugene Martin |
| Technology | " | 978-1-56637-674-7 | 2000 | Malcolm Welch · Eugene Martin |
| Technology: Shaping Our World | " | 978-1-56637-673-0 | 2000 | Malcolm Welch · Eugene Martin |
| Technology: Shaping Our World | Hardcover | 978-1-56637-217-6 | 1998 | Eugene Martin · Malcolm Welch |