1. Alibaba. (2018). Alibaba Group announces March quarter 2018 results and full fiscal year 2018 results. Alibaba Group, May 4.
https://www.alibabagroup.com/en/news/press_pdf/p180504.pdf
. Accessed 31 May 2019.
2. Alt, R., & Klein, S. (1998). Learning from failure: The myths and magic of electronic transportation markets. Proceedings 31st Hawaii International Conference on System Sciences, IEEE.
https://doi.ieeecomputersociety.org/10.1109/HICSS.1998.655265
.
3. Alt, R., & Klein, S. (2011). Twenty years of electronic markets research - looking backwards towards the future. Electronic Markets, 21(1), 41–51.
https://doi.org/10.1007/s12525-011-0057-z
.
4. Alt, R., & Zimmermann, H.-D. (2014). Editorial 24/3: Electronic Markets and general research. Electronic Markets, 24(3), 161–164.
https://doi.org/10.1007/s12525-014-0163-9
.
5. Bezos, J. P. (2019). 2018 Letter to Shareholders. Amazon Inc., April, 11.
https://blog.aboutamazon.com/company-news/2018-letter-to-shareholders
. Accessed 31 May 2019.