Книга Совещания по Адизесу. Практическое руководство, страница 22 – Шохам Адизес, Нир Бен Лави

Salary.com survey “Why & How Your Employees are Wasting Time at Work” (2012)

http://business.salary.com/why-how-your-employees-are-wasting-time-at-work/slide/9/ (Accessed July 21, 2014)