논작물 주요 병해충과의 투쟁 방법 nonjakmul juyo byeonghaechunggwaui tujaeng bangbeop
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| Format: | Book |
| Language: | Korean |
| Published: |
pyeongyang
munhwa seonjeonseong jungang inswae gongjang
1957
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| Subjects: |
| Physical Description: | 111p, ill |
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