mgt503 lacture no 21

38:08

42:12

کوتاه

1:19:57

12:55

1:09:16

7:31

12:25

9:02

1:38:16

5:29

53:09

3:34

19:16

3:59

31:21

6:24

4:54

3:53

26:53

7:27

2:12

21:45

25:00

31:36

7:44

2:55

3:35

7:04

37:28

31:37

26:22

7:21

8:20

9:59

1:10

14:14

1:06

3:18

6:37