Elton Mayor [JPG image (528 KB)]
Elton Mayor [JPG image (101.63 KB)]
Elton Mayor [JPG image (126.72 KB)]
Hawthorne. Trabalhadoras em 1945 [PNG image (182.95 KB)]
http://news.harvard.edu/gazette/story/2011/12/rethinking-work-beyond-the-paycheck/
Elton Mayor and Fritz J Roethlisberger in 1940 [JPG image (30.43 KB)]
Hawthorne study [JPG image (33.15 KB)]
