Aihe-ehdotuksia
Aihe-ehdotuksia
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1Julkaistu 1979### CRL customization ### ?> ### Add publisher and desc details ### ?>New Delhi, India : The Bureau, [1979]vi, 71 p., [6] p. of plates : ill. ; 28 cm.Aiheet: “...School hygiene India Congresses....”
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2Julkaistu 1979### CRL customization ### ?> ### Add publisher and desc details ### ?>[Singapore] : Society of Occupational Medicine, Singapore : National Safety First Council of Singapore, [1979]vi, 193 p. : ill. ; 27 cm.Aiheet: “...Industrial hygiene Asia Congresses....”