| Date | Description |
|---|---|
| 2024-04-01 | delete email co..@appropriatetech.net |
| 2023-03-10 | insert email co..@appropriatetech.net |
| 2018-12-10 | delete email 8t..@gmail.com |
| 2018-12-10 | insert email tr..@tut.ac.za |
| 2017-11-27 | delete email tr..@tut.ac.za |
| 2017-11-27 | insert email 8t..@gmail.com |
| 2017-08-06 | insert email tr..@tut.ac.za |
| 2017-08-06 | insert phone +(27) 711963215 |
| 2013-07-08 | delete address Conference on Appropriate Technology 2008, Kigali, Rwanda |
| 2013-07-08 | update primary_contact Conference on Appropriate Technology 2008, Kigali, Rwanda => null |