S/N

Theory

No. of articles

1

Bureaucratic

1

2

Contingency

1

3

Case study

1

4

Decentralization

1

5

Descriptive and inferential statistics

1

6

Expectation disconfirmation

1

7

G2C evaluation model

1

8

Heuristic model

1

9

Helsuki model

1

10

Maturity model

1

11

Information system

1

12

Multi variate linear progression

1

13

Multiple choice model

1

14

Field experiment

1

15

Organizational theory

1

16

Public Mgt service

1

17

Policy capacity model

1

18

Probit model

1

19

Process redesign approach

1

20

Startup Bus. model

1

21

Thematic content analysis

1

22

Servperf model

1

23

Theoretical assumption

1