Flater, D.
, Barkmeyer Jr., E.
and Wallace, E.
(1997),
State Models for Jobs and Job Supervisors, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.6037, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821135
(Accessed September 11, 2024)