01:15:10 duration 1 hour 15 minutes
Class Video 7-14-21
21:07 duration 21 minutes 7 seconds
9.1 Pre-Class Lecture.mp4
11:35 duration 11 minutes 35 seconds
8.3 Pre-Class Lecture
06:52 duration 6 minutes 52 seconds
5.1 Pre-Class Lecture