1990-8644 1990-8644 S1990-86442020000400041 Ukraine Ukraine Ukraine Ukraine Ukraine 00 08 2020 00 08 2020 16 75 41 55

2019 7 1 1 2000 7 98-102 2009 3 21-3 1989 2004 2020 28 2 2 15-22 2014 2000 Organization for Economic Cooperation and Development 2015 1963 2019 7 1 1 1-14 2019 7 1 1 2012 2015 2020 16 37 37 539-52 United Kingdom. National Union of Teachers 2004 United Nations Development Programme 2015