19:13 duration 19 minutes 13 seconds
11.5 Pre-Class Lecture
01:04:18 duration 1 hour 4 minutes
Class Video 7-20-21
56:16 duration 56 minutes 16 seconds
Class Video 7-19-21
15:01 duration 15 minutes 1 second
10.5 Pre-Class Lecture
26:52 duration 26 minutes 52 seconds
10.2 Pre-Class Lecture