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呈現:
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Integral vision on cat breeding
Of all the animals domesticated by man, the cat is the least domestic. It is an animal that is highl... more |
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Use of pesticides in vector control, experience in Cuba
The work presented here is part of a research where the use of pesticides for vector control was inv... more |
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Construction of Biogas Plants in Rural Communities
The fermentation of organic waste carried out in the "Biodigesters", which are included in the "Clea... more |
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Environmental education from community approaches
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