https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AEscuela%20Polit%C3%83%C2%A9cnica%20Nacional%20and%20au%3AFagiolo%2C%20Mario&format=rss2 Search results for 'Provider:Escuela Politécnica Nacional and au:Fagiolo, Mario' at Biblioteca - Ingemmet 0 20