33
/de/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
40452
3866
2
Public Timelines
FAQ Das Premium bekommen

30 Apr 1972 Jahr - Teaching machines were introduced to provide pre-programmed instruction.

Beschreibung:

http://institute-of-progressive-education-and-learning.org/wp-content/uploads/2015/05/Teaching-Machine-2.jpg

Zugefügt zum Band der Zeit:

Datum:

30 Apr 1972 Jahr
Jetzt
~ 53 years ago

Abbildungen: