http://koha.unicoc.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Oviedo%20Sanchez%2C%20Oscar%20David%22%20and%20au%3AOviedo%20Sanchez%2C%20Oscar%20David%20and%20au%3ADiaz%20Alvarez%2C%20Alejandra&format=rss2 Search results for 'au:"Oviedo Sanchez, Oscar David" and au:Oviedo Sanchez, Oscar David and au:Diaz Alvarez, Alejandra' at SIBU - SISTEMAS DE BIBLIOTECAS UNICOC 0 20