Estudio higienico sanitario de la produccion lechera en la region de Poza Rica, Veracruz
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| Format: | Tesis de licenciatura |
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MX
1968
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000156850 http://132.248.9.195/pmig2020/0156850/Index.html |