 APRH – Portuguese Association of Water Resources which was a partner association during the Luso-Brazilian Symposiums that were held either in Brazil and Portugal alternately. |
APESB – Portuguese Association of Environmental and Sanitary Engineering |
ANDIS - Italian Association of Environmental and Sanitary Engineering together with which ABES promotes, every two years, alternately in Brazil and Italy, the Italo-Brazilian Symposiums. |
ABES also acts as a Brazilian chapter of interamerican and international organizations, with which it maintains very close interaction bonds: |
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