1 Subjects: “...Achievement motivation in children...”

2 Subjects: “...children's friendships...”

3 Subjects: “...Age groups: children...”

4 Subjects: “...Children...”

5 Subjects: “...Age groups: children / bicssc...”

6 Subjects: “...Children...”

7 Subjects: “...Children's and teenage literature studies: general / bicssc...”

8 Subjects: “...thema EDItEUR::Y Children's, Teenage and Educational::YP Educational material::YPJ Educational...”

9 Subjects: “...thema EDItEUR::Y Children's, Teenage and Educational::YP Educational material::YPJ Educational...”

10 Subjects: “...children...”

11 Subjects: “...Children's, Teenage and Educational / bicssc...”

12 Subjects: “...Children’s...”

13 Subjects: “...children and adolescents...”

14 Subjects: “...children and adolescents...”

15 Subjects: “...Science & technology: general interest (Children's / Teenage) / bicssc...”

16 Subjects: “...thema EDItEUR::Y Children's, Teenage and Educational::YP Educational material::YPJ Educational...”

17 Subjects: “...children...”

18 Subjects: “...children...”

19 Subjects: “...children...”

20 Subjects: “...children...”