Grayson, Kent. Fiserv takes on the e-billing market: how can we get them to turn off paper? [online]. London: SAGE Publications Ltd, 2017. SAGE Knowledge. Cases
Grayson, K. (2017). Fiserv takes on the e-billing market: How can we get them to turn off paper? London: SAGE Publications Ltd.
Styl ChicagoGrayson, Kent. Fiserv Takes On the E-billing Market: How Can We Get Them to Turn Off Paper? London: SAGE Publications Ltd, 2017.
Citace podle MLAGrayson, Kent. Fiserv Takes On the E-billing Market: How Can We Get Them to Turn Off Paper? London: SAGE Publications Ltd, 2017.
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