http://biblioteca.unfv.edu.pe/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22%20QU%C3%8DMICOS%20%22%20and%20au%3AContreras%20Rodr%C3%ADguez%2C%20Ra%C3%BAl&format=rss2 Search results for 'su:" QUÍMICOS " and au:Contreras Rodríguez, Raúl' at Universidad Nacional Federico Villarreal 0 20