Shonkoff, Jack and Deborah P. Phillips. 2000. From Neurons to Neighborhoods: The Science of Early Childhood Development, p. 56. Washington, D.C.: National Academy Press. http://www.nap.edu/read/9824/chapter/1#ii.
Shonkoff, Jack and Deborah P. Phillips. 2000. From Neurons to Neighborhoods: The Science of Early Childhood Development, p. 56. Washington, D.C.: National Academy Press. http://www.nap.edu/read/9824/chapter/1#ii.