Items in team-management 2019 Self-Study in April 2019 Apr 1 2018 Self-Study in June 2018 Jun 1 2017 Self-Study in June 2017 Jun 1 2017 Self-Study in May 2017 May 1 2017 Self-Study in April 2017 Apr 1 2017 Self-Study in March 2017 Mar 1 2017 Self-Study in February 2017 Feb 1 2016 Self-Study in June 2016 Jun 1 2016 Self-Study in May 2016 May 1 2016 Self-Study in April 2016 Apr 1 2016 Self-Study in March 2016 Mar 2 2016 Self-Study in February 2016 Feb 1 2016 Self-Study in January 2016 Jan 1 2015 Self-Study in December 2015 Dec 2