Hip to be square : disruption in the U.S. mobile payment market - Markovich, Sarit, (SAGE, 2016)
Originally Published in: Markovich, S., Malkani, A. P., Tseng, A., & Meagher, E. (2014). Hip to be Square: Disruption in the U.S. Mobile Payment Market. 5-213-251. Evanston, IL: Kellogg School of Management, Northwestern University.