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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 oct 1920 año - Hawthorne Electric Company set up a series of experiments designed to discern how changes in environment and design changed the productivity of their employees.
Añadido al timeline:
Jessa P. Iraula I4
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Jessa Perdon Iraula
22 nov 2017
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fecha:
1 oct 1920 año
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~ 105 years ago
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