1. Drucker
P. F. (1999). Knowledge-Worker Productivity: The Biggest Challenge. California Management Review
41(2)
79–94. In this foundational article
Drucker defines knowledge workers as those who work with their minds and whose primary output is knowledge or information.
2. Brinkley
I. (2006). Defining the Knowledge Economy. The Work Foundation. Page 8 defines knowledge workers as "those who work in knowledge-intensive industries or in knowledge-intensive occupations
" emphasizing their high-level skills and role in innovation.
3. Reinhardt
W.
Schmidt
B.
Sloep
P.
& Drachsler
H. (2011). Knowledge worker roles and actions–results of a literature review. Knowledge and Process Management
18(3)
150-174. This peer-reviewed article synthesizes definitions
describing knowledge workers as people who "think for a living" and whose work is non-routine and involves complex problem-solving.