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Ofcom. (December 17, 2020). Geographic coverage of mobile voice networks in Northern Ireland in 2020, by operator [Graph]. In Statista. Retrieved July 27, 2021, from https://www.statista.com/statistics/505011/coverage-of-voice-networks-by-operator-northern-ireland/
Ofcom. "Geographic coverage of mobile voice networks in Northern Ireland in 2020, by operator." Chart. December 17, 2020. Statista. Accessed July 27, 2021. https://www.statista.com/statistics/505011/coverage-of-voice-networks-by-operator-northern-ireland/
Ofcom. (2020). Geographic coverage of mobile voice networks in Northern Ireland in 2020, by operator. Statista. Statista Inc.. Accessed: July 27, 2021. https://www.statista.com/statistics/505011/coverage-of-voice-networks-by-operator-northern-ireland/
Ofcom. "Geographic Coverage of Mobile Voice Networks in Northern Ireland in 2020, by Operator." Statista, Statista Inc., 17 Dec 2020, https://www.statista.com/statistics/505011/coverage-of-voice-networks-by-operator-northern-ireland/
Ofcom, Geographic coverage of mobile voice networks in Northern Ireland in 2020, by operator Statista, https://www.statista.com/statistics/505011/coverage-of-voice-networks-by-operator-northern-ireland/ (last visited July 27, 2021)
