Jeff Davidson

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cover image of The 60 Second Innovator (Summary)

The 60 Second Innovator...

Jeff Davidson Author
(2010)

cover image of El innovador de 60 segundos (resumen)

El innovador de 60 segundos...

Jeff Davidson Author
(2013)

cover image of The 60-Second Procrastinator (Summary)

The 60-Second Procrastinator...

Jeff Davidson Author
(2003)