Szakmunkásképző intézmények hygiénés helyzete
By: [Róna Borbála].
Contributors: Országos Közegészségügyi Intézet (Hungary)
Publisher: Országos Közegészségügyi Intézet
Published: 1979
Place of publication: Budapest
Language: hun
Number of pages: 55
Subjects: Industrial hygiene -- Hungary.; Learners, Industrial -- Health and hygiene -- Hungary.