1727-8120 1727-8120 S1727-81202018000200405 Cuba 00 08 2018 00 08 2018 18 2 405 416

1 2007 3 3 2 2007 3 2007 1 1 4 2012 5 1996 2 2 6 2010 7 2004 8 2011 9 Sistema Nacional de Bibliotecas Móviles 2013 10 2010 20 11 2015 12 2015 13 EcuRed 14 1977 1 1 15 2011 25 53 53 16 2005 13 5 5 17 EcuRed 18 19 20 1993 1 1 1 21 22 2013 8-9 8-9 23 2012