lecture cev (801) 8

2 mins 19 secs

4 mins 8 secs

46 secs

2 mins

14 secs

3 mins 22 secs

17 secs

6 mins 10 secs

6 secs

11 mins 11 secs

13 mins

10 mins 40 secs

5 mins 37 secs

4 mins 8 secs

3 mins 27 secs

26 mins 1 sec

1 min 52 secs

7 mins 22 secs

7 mins 43 secs

38 secs

14 mins 16 secs

13 mins 21 secs

8 mins

10 mins

16 mins

10 secs

14 mins