Selby, C. D., Vaughan, H. F., Briston, L. D., Drinker, P., Hazlett, T. L., & Neal, P. A. (1941). Educational Qualifications of Industrial Hygienists: Report of the Subcommittee on the Educational Qualifications of Industrial Hygienists.
Παραπομπή Chicago StyleSelby, Clarence D., Henry F. Vaughan, Leverett D. Briston, Philip Drinker, T. Lyle Hazlett, και Paul A. Neal. Educational Qualifications of Industrial Hygienists: Report of the Subcommittee On the Educational Qualifications of Industrial Hygienists. 1941.
Παραπομπή MLASelby, Clarence D., et al. Educational Qualifications of Industrial Hygienists: Report of the Subcommittee On the Educational Qualifications of Industrial Hygienists. 1941.
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