免觸碰智能卡 New MasterCard Advisors Study on Contactless Payments Shows Almost 30% Lift in Total Spend Within First Year of Adoption. newsroom.mastercard.com. 2012-05-03
(PDF)存档于2015-03-08). Dave Thomas Foundation for Adoption - Foster Care Adoption. Dave Thomas Foundation for Adoption. [2023-12-27]. (原始内容存档于2019-06-09). Gypen
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