Cowan, F. P. (1966). Certification in occupational health: Philosophy, implication, and mechanism. 3. The American Board of Health Physics.
Citação norma ChicagoCowan, F P. Certification in Occupational Health: Philosophy, Implication, and Mechanism. 3. The American Board of Health Physics. 1966.
Deismireacht MLACowan, F P. Certification in Occupational Health: Philosophy, Implication, and Mechanism. 3. The American Board of Health Physics. 1966.
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