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1 jan 1970 ano - 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.

Adicionado na linha do tempo:

History of special education

Byemeline
12 ago 2019
0
0
2297

Data:

1 jan 1970 ano
Agora
~ 54 years ago
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