gap model of service quality with examples

5:12

11:16

20:13

18:34

1:48

9:06

1:53

1:07

5:18

1:53

8:00

3:07

10:27

4:51

5:29

10:34

8:06

7:14

7:29

8:03

7:38

8:26

7:48

10:05

6:45

5:10

9:22

8:47

3:12

14:41

19:17

4:35

1:59

کوتاه

5:48

3:11

13:54

10:20

5:06

4:59