Jeffrey Koopman
is W3Schools certified and has successfully passed the following exams:| Exam | Date |
|---|---|
| PHP | July 4, 2016 |
| HTML | June 15, 2016 |
To read more, please visit W3Schools' online certification program.
| Exam | Date |
|---|---|
| PHP | July 4, 2016 |
| HTML | June 15, 2016 |
To read more, please visit W3Schools' online certification program.