0120-3053 0120-3053 S0120-30532018000100053 10.19053/01203053.v37.n65.2018.5910 Colombia 00 06 2018 00 06 2018 37 65 53 74

2004 Biblia 2000 2014 First 2011 1966 3-14 1976 1999 125-54 1999 13-25 European Comission 2012 1997 1971 1976 1985 210-9 2011 1968 1243-8 1993 2016 191-205 1976 International Agency Energy -IEA 2013 1990 2000 2015 2001 2012 1999 69-82 1998 2001 2016 953-7 2015 1993 2003 1951 First 1973 1993 519-41 2004 371-82 2013 Ucsusa 2015 1899 Worldgoldcouncil 2015