the 5 elements of effective thinking book

3:54

6:42

8:15

6:42

4:21

51:47

12:38

2:49

1:33

کوتاه

49:16

1:45

6:20

6:42

23:44

27:19

6:20

15:33

5:16

5:30

3:59

1:05:23

23:46

12:03

6:20

3:36

3:42

13:25

5:18

25:28

19:03

19:03

8:39

1:05:12

1:23:35

1:02:06

1:00:08

1:29:07

12:31