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1 janv. 1970 - Pub. L. 91-517-Developmental Disabilities and Facilities Construction Amendment of 1970; coined the term developmental disabilities to describe the population of individuals who had historically been placed in state institutions.

Ajouté au bande de temps:

History of special education

Byemeline
12 août 2019

Date:

1 janv. 1970
Maintenaint
~ Il y a 54 ans
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