A nationwide survey of the occupational safety and health workforce. (1978, DHEW [NIOSH] Pub. No. 78-164). Cincinnati, OH: National Institute for Occupational Safety and Health.
2.
Costs and benefits of occupational health nursing. (1980, DHHS Pub. No. 80-140). Cincinnati, OH: National Institute for Occupational Safety and Health.
3.
JacobsP.ChovilA. (1983). Economical evaluation of corporate medical programs. Journal of Occupational Medicine, 25(4), 273–277.
4.
SaltymanB.E. (1982). Adequacy of current industrial hygiene and occupational safety professional manpower. American Industrial Hygiene Association Journal, 43, 254–260.
5.
Standard Industrial Classification Manual. (1967). Washington, DC: Office of Statistical Standards, Executive Office of the President/Bureau of the Budget.
