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• Barnett, W.S. (1998). Long-term cognitive and academic effects of early childhood education on children in poverty. Prev Med., 27(2), 204-7. https://doi.org/10.1006/pmed.1998.0275.
• García, J.L., Heckman, J.J. and Ziff, A.L. (2019). Early childhood education and crime. Infant Mental Health Journal, 40(1), 141–151. https://doi.org/10.1002/imhj.21759.
• Lynch, R. & Vaghul, K. (2015). The benefits and costs of ınvesting in early childhood education: The fiscal, economic, and societal gains of a universal prekindergarten program in the United States, 2016-2050. Washington Center for Equitable Growth. https://equitablegrowth.org/research-paper/thebenefits- and-costs-of-investing-in-early-childhood-education/?longform=true
• Morgan, KJ (2021). Promoting quality and equality through early education and care. In Sitaraman, G. and Alstott, A. (eds) Politics Policy and Public Options. Cambridge University Press, 117-133.
• Organisation for Economic Cooperation and Development (OECD). (2006). Starting Strong II: Early Childhood Education and Care. OECD Publishing.