ahlam1399
08-22-2016, 01:55 PM
Deborah Phillips at Georgetown University has spent more than a decade studying preschool programs in Oklahoma. Her latest research found strong gains in some areas, but slow progress in others.
أكثر... (http://www.npr.org/sections/ed/2016/08/22/490083040/research-on-tulsas-head-start-program-finds-lasting-gains?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/ed/2016/08/22/490083040/research-on-tulsas-head-start-program-finds-lasting-gains?utm_medium=RSS&utm_campaign=news)