https://www.abebooks.com/9780199926459/Promise-Preschool-Head-Start-Universal-019992645X/plp
The past 45 years have seen the emergence of education for young children as a national issue, spurred by the initiation of the Head Start program in the...
the promisehead startpreschooluniversal
https://www.edweek.org/teaching-learning/universal-or-targeted-preschool-that-is-the-question/2015/12
Should we spend more money to make preschool free for everyone? Or should we spend less to make sure it's available to those who need it most?
the questionuniversaltargetedpreschool