http://koha.unicoc.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%7BControl%20de%20calidad%20total%7D%29%20AND%20%28su%3A%7BSeis%20Sigma%20%28Normas%20de%20control%20de%20calidad%29%7D%29&format=rss2 Search results for '(su:{Control de calidad total}) AND (su:{Seis Sigma (Normas de control de calidad)})' at SIBU - SISTEMAS DE BIBLIOTECAS UNICOC 0 20