01:43:39 duration 1 hour 43 minutes
CHEM 3953 Zoom Meeting 9 March 2021
01:16:02 duration 1 hour 16 minutes
CHEM 3953 Zoom Meeting 9 February 2021
51:31 duration 51 minutes 31 seconds
CHEM 3953 Zoom Meeting 4 February 2021