1. Lev Vygotsky's Sociocultural Theory of Development
2. Hoose, N.A.-V. (2021, August) Social Constructivism: Vygotsky’s Theory. https://courses.lumenlearning.com/edpsy/chapter/social-constructivism-vygotskys-theory/
3. The Wiley Handbook of Early Childhood Care and Education
4. Hancock, L. (2011) Why Are Finland’s Schools so Successful? Smithsonian Magazine. https://www.smithsonianmag.com/innovation/why-are-finlands-schools-successful-49859555/#:~:text = There%20are%20no%20mandated%20standardized%20tests%20in%20Finland%2C,schools%20or%20regions.%20Finland’s%20schools%20are%20publicly%20funded
5. ACEI-Global (2019) 10 Quick Takeaways from the 2019 PISA Survey https://acei-global.blog/2019/12/06/10-quick-takeaways-from-the-2019-pisa-survey/