http://book.klll.cc/ebooks/author/54524.opds?sort_order=release_date2025-11-16T02:20:52ZBooks by Gilbreth, Frank B. (Frank Bunker)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-16T02:20:52Zhttps://en.wikipedia.org/wiki/Frank_Bunker_GilbrethSee also: en.wikipedia2025-11-16T02:20:52Zhttps://book.klll.cc/ebooks/67908.opdsFatigue study : the elimination of humanity's greatest unnecessary waste. A first step in motion studyLillian Moller Gilbreth and Frank B. Gilbreth