| Office: | ECS 225e |
| Office Hours: | Tuesday & Thursday, 11:30am - 12:30pm, or by appointment |
| Telephone: | (410) 455-3093 |
| E-mail: | chang@gl.umbc.edu |
| Office: | ECS 225g |
| Office Hours: | Monday & Wednesday, 11:00am - 12:00pm |
| Office: | ECS 225f |
| Office Hours: | Wednesday & Friday, 11:00am - 12:00pm |