В оригинале – predictable time off (PTO). – Прим. пер.
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Perlow L. Predictable Time Off: The Team Solution to Overcoming Constant Work Connection // Fast Company. 2012. May. http://www.fastcompany.com/1837867/predictable-time-team-solution-overcoming-constant-work-connection. См. также: Perlow L. A. Sleeping with Your Smartphone: How to Break the 24–7 Habit and Change the Way you Work.
