30
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
265524
23304
2

12 сент 1929 г. - Studied the effects of lighting on work productivity in Western Electric's Factory at Hawthorne near Chicago

Добавлено на ленту времени:

11 ноя 2017
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Дата:

12 сент 1929 г.
Сейчас
~ 94 г назад