School hygiene interntional postgraduate training courses for teachers at agricultural technical schools
| Main Authors: | , |
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| Format: | Book |
| Language: | English Slovak |
| PhysicalDescription: | [2], 57, [1] s. tab. 4° |
| Published: |
Nitra
Vysoká škola poľnohospodárska
1969
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| Subjects: |
| Physical Description: | [2], 57, [1] s. tab. 4° |
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