Zhuonan ZHANG, Ployplearn RAVIVANPONG and Michael BEIGL, “Predicting B2B Customer Churn for Software Maintenance Contract” Proceedings of the 34th International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-3-3, 13-14 November 2019, Madrid, Spain, p. 6593-6603.
Roman Povalej, Renata Horvatek, and Martina Tomicic, “Trainings Courses in eGovernment for Civil Servants in Croatia: The EU Project eGovCRO – An Actual Overview,” Proceedings of the 8th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-7-4, 20- 22 June 2007, Dublin, Ireland, p.185-189.
Roman Povalej and Peter Weiß, “Taxonomy to Categorise ICT Certifications,” Proceedings of the 8th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-7-4, 20- 22 June 2007, Dublin, Ireland, p.334-342.
Eulálio G. Campelo F. and Wolffried Stucky, ”New Use Scenarios for eCatalog Systems: A Cross-Company Approach,” Proceedings of the 6th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-5-0, 19- 21 June 2006, Bonn, Germany, p.207-211.