2301-1378 2301-1378 S2301-13782022000200079 10.35643/info.27.2.5 Mexico Mexico 00 12 2022 00 12 2022 27 2 79 104

2020 1999 39-45 Brown University Library 2022 2007 14 73-81 2005 1981 1999 49-63 Dag Hammarskjöld Library 2022 1996 2021 44 2 2 3-21 2013 9 3 3 39-52 2009 2 12 12 68-73 2014 1 2 2 1999 5 1 1 59-76 1977 1 2020 43 4 4 2003 2020 21 2004 31 4 4 231-44 2003 23-40 1992 1987 2004 The National Institute of Open Schooling 2020 1965 320 2010 46 1 1 1-18 1999 26 227-2244