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4 jul 1972 ano - Scantron

Descrição:

The Scantron made it easier fr teachers to grade multiple-choice exams, hence saving them countless hours.

Adicionado na linha do tempo:

Educational Technology

ByDayanira Feliciano

14 nov 2017

0

0

489

Data:

4 jul 1972 ano

Agora

~ 53 years ago

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