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izlaidumi no William Henry Leffingwell

Cover for William Henry Leffingwell · Scientific Office Management... (Book) (2022)

Scientific Office Management... (2022)

William Henry Leffingwell

Cover for William Henry Leffingwell · Scientific Office Management... (Book) (2022)

Scientific Office Management... (2022)

William Henry Leffingwell

Cover for William Henry Leffingwell · Scientific Office Management...: A Report on the Results of Applications of the Taylor System of Scientific Management to Offices, Supplemented with a Discussion of How to Obtain the Most Important of These Results (Paperback Book) (2018)

Scientific Office Management...:... (2018)

William Henry Leffingwell

Cover for William Henry Leffingwell · Scientific Office Management (Paperback Book) (2018)

Scientific Office Management (2018)

William Henry Leffingwell

Cover for William Henry Leffingwell · Making the Office Pay (Paperback Book) (2015)

Making the Office Pay (2015)

William Henry Leffingwell

Cover for William Henry Leffingwell · Scientific Office Management (Paperback Book) (2010)

Scientific Office Management (2010)

William Henry Leffingwell