https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A2740%20and%20au%3AGonz%C3%83%C2%A1lez%2C%20Cristobal%20del%20R%C3%83%C2%ADo%20and%20su-to%3ACOSTOS%20HIST%C3%83%C2%93RICOS%20and%20su-to%3AM%C3%83%C2%89TODOS%20DE%20COSTOS&format=rss2 Search results for 'an:2740 and au:González, Cristobal del Río and su-to:COSTOS HISTÓRICOS and su-to:MÉTODOS DE COSTOS' at Biblioteca UGB 0 20