Verywell Family. https://www.verywellfamily.com/typical-social-expectations-in-kindergarten-1449034
Diakses pada 23 Januari 2021Scholastic. https://www.scholastic.com/parents/school-success/school-life/grade-by-grade/preparing-kindergarten.html
Diakses pada 23 Januari 2021Understood. https://www.understood.org/en/learning-thinking-differences/signs-symptoms/academic-readiness/skills-kids-need-going-into-kindergarten
Diakses pada 23 Januari 2021