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<![CDATA[Biblioteca UGB Search for 'an:757 and itype:TESIS and su-to:ENSEÃANZA VIRTUAL and au:Pacheco ChÃ¡vez, HÃ©ctor Mauricio']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A757%20and%20itype%3ATESIS%20and%20su-to%3AENSE%C3%83%C2%91ANZA%20VIRTUAL%20and%20au%3APacheco%20Ch%C3%83%C2%A1vez%2C%20H%C3%83%C2%A9ctor%20Mauricio&format=rss2 Search results for 'an:757 and itype:TESIS and su-to:ENSEÃANZA VIRTUAL and au:Pacheco ChÃ¡vez, HÃ©ctor Mauricio' at Biblioteca UGB 0 20