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Trades Union Certification Officer. (July 8, 2021). Level of union membership in the National Association of Schoolmasters and Union of Women Teachers (NASUWT) in the United Kingdom (UK) from 1999/00 to 2019/20 [Graph]. In Statista. Retrieved October 17, 2021, from https://www.statista.com/statistics/286117/nasuwt-union-membership-in-the-united-kingdom-uk/
Trades Union Certification Officer. "Level of union membership in the National Association of Schoolmasters and Union of Women Teachers (NASUWT) in the United Kingdom (UK) from 1999/00 to 2019/20." Chart. July 8, 2021. Statista. Accessed October 17, 2021. https://www.statista.com/statistics/286117/nasuwt-union-membership-in-the-united-kingdom-uk/
Trades Union Certification Officer. (2021). Level of union membership in the National Association of Schoolmasters and Union of Women Teachers (NASUWT) in the United Kingdom (UK) from 1999/00 to 2019/20. Statista. Statista Inc.. Accessed: October 17, 2021. https://www.statista.com/statistics/286117/nasuwt-union-membership-in-the-united-kingdom-uk/
Trades Union Certification Officer. "Level of Union Membership in The National Association of Schoolmasters and Union of Women Teachers (Nasuwt) in The United Kingdom (Uk) from 1999/00 to 2019/20." Statista, Statista Inc., 8 Jul 2021, https://www.statista.com/statistics/286117/nasuwt-union-membership-in-the-united-kingdom-uk/
Trades Union Certification Officer, Level of union membership in the National Association of Schoolmasters and Union of Women Teachers (NASUWT) in the United Kingdom (UK) from 1999/00 to 2019/20 Statista, https://www.statista.com/statistics/286117/nasuwt-union-membership-in-the-united-kingdom-uk/ (last visited October 17, 2021)
