https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A12309%20and%20su-to%3ASALARIO%20M%C3%83%C2%8DNIMO%20AGRICOLA&format=rss2 Search results for 'an:12309 and su-to:SALARIO MÍNIMO AGRICOLA' at Biblioteca UGB 0 20