Barnow, Burt S., John Trutko, and Jaclyn Schede Piatak. 2013. "Conceptual Basis for Identifying and Measuring Occupational Labor Shortages." In Occupational Labor Shortages: Concepts, Causes, Consequences, and Cures. Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, pp. 1-34.
WORKFORCE DEVELOPMENT, Occupational skills, Skills