Wijnhoven, F., & Sinderen, M v. [2021]. ICE-B 2021: Proceedings of the 18th International Conference on E-Business 2021 : online streaming, July 7-9, 2021. [Setúbal]: SCITEPRESS - Science and Technology Publications, Lda.

ICE-B 2021 : Proceedings of the 18th International Conference on E-Business 2021 : online streaming, July 7-9, 2021 / sponsored by: INSTICC - Institute for Systems and Technologies of Information, Control and Communication ; edited by Fons Wijnhoven and Marten van Sinderen . — [Setúbal] : SCITEPRESS - Science and Technology Publications, Lda, [2021]. — XII, 225 Seiten; Illustrationen. — ISBN 9789897585272

Wijnhoven, Fons, and Marten van Sinderen. ICE-B 2021: Proceedings of the 18th International Conference On E-Business 2021 : Online Streaming, July 7-9, 2021.[Setúbal]: SCITEPRESS - Science and Technology Publications, Lda, [2021].