study methods

5:09

4:02

8:28

3:26

14:56

5:39

2:10

7:32

13:56

14:47

15:19

4:09

3:53

2:49:37

20:59

9:43

13:08

9:27

5:23

9:34

34:48

6:39

7:59

22:05

8:51

24:10

14:14

9:48

38:28

26:22

22:07

8:43

5:47

9:30

4:54

13:52

7:18

59:56

12:11

35:24

11:43

10:35

3:28

17:38

10:17

4:33

5:17

17:12

12:53

14:00

4:54

7:06

9:11

12:35

10:53

9:17

8:51

5:40

12:42

7:47