circular flow of economic activity

13:00

کوتاه

13:05

14:57

6:41

12:29

5:03

کوتاه

13:25

16:48

21:53

4:44

4:32

4:31

4:18

کوتاه

8:01

2:46

27:17

5:32

27:17

2:46

26:49

24:01

16:19

21:50

8:38

2:01

1:10

13:49

1:43

4:14

26:20

6:47

4:52

2:46

16:12

16:20

16:20

3:13