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<![CDATA[Biblioteca Univ. Surcolombiana Search for 'au:"SÃ¡nchez, Mario" and au:Tejada GonzÃ¡lez, Mario CÃ©sar, and au:PolanÃa Puentes, Alberto']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22S%C3%83%C2%A1nchez%2C%20Mario%22%20and%20au%3ATejada%20Gonz%C3%83%C2%A1lez%2C%20Mario%20C%C3%83%C2%A9sar%2C%20and%20au%3APolan%C3%83%C2%ADa%20Puentes%2C%20Alberto&format=rss2 0 20