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<![CDATA[Biblioteca UGB Search for 'an:"5818" and su-to:TESIS and holdingbranch:USU and au:Rivas RodrÃguez, Luis Humberto']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%225818%22%20and%20su-to%3ATESIS%20and%20holdingbranch%3AUSU%20and%20au%3ARivas%20Rodr%C3%83%C2%ADguez%2C%20Luis%20Humberto&format=rss2 Search results for 'an:"5818" and su-to:TESIS and holdingbranch:USU and au:Rivas RodrÃguez, Luis Humberto' at Biblioteca UGB 0 20