| Code | Start - End | Meeting Time | |
| ECNS 202S | 2021-01-11 - 2021-04-30 | TR 12:30pm-01:50pm | |
| ECNS 202S | 2022-06-27 - 2022-07-29 | online | |
| ECNS 201S | 2022-08-29 - 2022-12-16 | MWF 11:00am-11:50am | |
| ECNS 202S | 2023-01-17 - 2023-05-12 | MWF 11:00am-11:50am | |
| ECNS 202S | 2023-06-26 - 2023-07-28 | online | Enroll |
