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http://airtelmoney.in
2. Boku,
http://www.boku.com
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4. Lecture Notes in Computer Science;E. Cimpian,2006
5. Dahlberg, T., Mallat, N., Ondrus, J., Zmijewska, A.: Past, Present and Future of Mobile Payments Research: A Literature Review. Journal: Electronic Commerce Research and Applications 7(2), 165–181 (2008)