0104-4036 0104-4036 S0104-40362020000400982 10.1590/s0104-40362020002802388 South Africa 00 10 2020 00 10 2020 28 109 982 1011

1974 2014 1 4 4 227-49 2007 2004 58 3 3 274-6 2014 1 1-17 2005 3 507-35 2009 15 1 1 25-41 2009 3 2 2 95-108 2001 2018 6 2 2 1-3 2010 61 1-2 1-2 35-47 1989 13 3 3 319-39 2005 2016 48 4 4 411-23 1992 1993 50 6 6 12-7 2004 5 1981 21 9 9 17-21 2006 3rd 2017 26 5 5 633-47 2002 2018 26 98 98 163-84 2011 19 3 3 191-206 2015 46 2 2 360-9 2012 20 1 1 1-17 2009 9 1 1 60-70 1986 63 3 3 9-28 2013 43 1 1 118-41 2005 70-84 2015 2015 Chesapeake, VA 1227-32 1993 1993 New Orleans, Louisiana 678-84 2013 49 7 7 743-9 2013 44 4 4 531-5 2007 8 1 1 61-77 2017 29 2 2 36-65 2009 1989 16 16 21-32 2000 2014 2006 2 2019 27 102 102 1-16 SOUTH AFRICA DEPARTMENT OF EDUCATION 2007 SOUTH AFRICA DEPARTMENT OF EDUCATION 2004 2005 443-66 2019 2013 35 4 4 248-57 2015 46 2 2 344-59 2010 2004 36 3 3 231-50 2014 3 67-83 2003 38 1 1 19-31 2007 2 3 3 251-80