Practice of Enterprise Modeling 13th IFIP Working Conference, PoEM 2020, Riga, Latvia, November 25–27, 2020, Proceedings Grabis, Jānis Heftet / 2020 / Engelsk
Practice of Enterprise Modeling 14th IFIP WG 8.1 Working Conference, PoEM 2021, Riga, Latvia, November 24–26, 2021, Proceedings Serral, Estefanía Heftet / 2021 / Engelsk
Perspectives in Business Informatics Research 17th International Conference, BIR 2018, Stockholm, Sweden, September 24-26, 2018, Proceedings Zdravkovic Jelena Heftet / 2018 / Engelsk
