@book{5723,
	author = {Yongo, Erdoo  and Theodorou, Yiannis  and GSMA (Organization)‏},
	title = {Access to Mobile Services and Proof of Identity 2020},
	publisher = {GSM Association,},
	year = {2020},
	address = {London :},
	url = {https://www.gsma.com/mobilefordevelopment/wp-content/uploads/2020/03/Access_to_mobile_services_2020_Singles.pdf},
	Remainder of title = {: The Undisputed Linkages }
}