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Ofgem. (February 1, 2020). Share of complaints resolved by the 'Big Six' energy companies in the United Kingdom, by the next working day in 2019 [Graph]. In Statista. Retrieved April 17, 2021, from https://www.statista.com/statistics/429362/big-six-complaints-resolved-by-end-of-next-working-day-uk/
Ofgem. "Share of complaints resolved by the 'Big Six' energy companies in the United Kingdom, by the next working day in 2019." Chart. February 1, 2020. Statista. Accessed April 17, 2021. https://www.statista.com/statistics/429362/big-six-complaints-resolved-by-end-of-next-working-day-uk/
Ofgem. (2020). Share of complaints resolved by the 'Big Six' energy companies in the United Kingdom, by the next working day in 2019. Statista. Statista Inc.. Accessed: April 17, 2021. https://www.statista.com/statistics/429362/big-six-complaints-resolved-by-end-of-next-working-day-uk/
Ofgem. "Share of Complaints Resolved by The 'big Six' Energy Companies in The United Kingdom, by The next Working Day in 2019." Statista, Statista Inc., 1 Feb 2020, https://www.statista.com/statistics/429362/big-six-complaints-resolved-by-end-of-next-working-day-uk/
Ofgem, Share of complaints resolved by the 'Big Six' energy companies in the United Kingdom, by the next working day in 2019 Statista, https://www.statista.com/statistics/429362/big-six-complaints-resolved-by-end-of-next-working-day-uk/ (last visited April 17, 2021)
