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<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:Escobar Macualo, Freddy Humberto, and su-to:IngenierÃa de PetrÃ³leos and location:CART']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3AEscobar%20Macualo%2C%20Freddy%20Humberto%2C%20and%20su-to%3AIngenier%C3%83%C2%ADa%20de%20Petr%C3%83%C2%B3leos%20and%20location%3ACART&format=rss2 0 20