No.

Count

Centrality

Keywords

1

105

0.53

Early childhood education

2

104

0.33

Family education

3

96

0.38

Preschool children

4

25

0.17

Home-kindergarten cooperation

5

25

0.11

Children remaining in rural area

6

20

0.53

kindergarten

7

18

0.27

Rural area

8

17

0.20

Preschool floating children

9

14

0.22

Parents of infant

10

12

0.20

strategy