https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ATrillas%20and%20holdingbranch%3AUSU%20and%20au%3ALasa%20Crespo%2C%20Alcides%20Jos%C3%83%C2%A9&format=rss2 Search results for 'Provider:Trillas and holdingbranch:USU and au:Lasa Crespo, Alcides José' at Biblioteca UGB 0 20