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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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12 mayo 1955 año - B. F. Skinner's Improved Teaching Machine
Descripción:
B. F. Skinner of Harvard University files a patent for an improved teaching machine.
Añadido al timeline:
Timeline of IDT History
By
Christian
12 ene 2020
0
0
349
fecha:
12 mayo 1955 año
Ahora mismo
~ 70 years ago
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