World War II (19 ч 56 мин, 1 июн 1943 г. – 10 ч 20 мин, 30 июн 1945 г.)

Описание:

With the onset of World War II, the growth of the audiovisual instruction movement in the schools slowed; however, audiovisual devices were used extensively in the military services and in industry (Seattler, 1990).

Добавлено на ленту времени:

23 окт 2017

344

Instructional Timeline

Дата:

19 ч 56 мин, 1 июн 1943 г.

10 ч 20 мин, 30 июн 1945 г.

~ 2 years