53:22 duration 53 minutes 22 seconds
ISYE_6739_lecture_24
01:02:01 duration 1 hour 2 minutes
ISYE_6739_lecture_19
01:48:39 duration 1 hour 48 minutes
ISYE_6739_lecture_20
01:05:07 duration 1 hour 5 minutes
ISYE_6739_Lecture_17