Estudios edafologicos del municipio de Cuetzalan, Edo. de Puebla
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| Format: | Tesis de licenciatura |
| Published: |
MX
1981
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000002775 http://132.248.9.195/pmig2019/0002775/Index.html |