Sizing ERP Implementation Projects: An Activity-Based Approach. - Guy Janssens; Rob J. Kusters; Fred J. Heemstra (Int. J. Enterp. Inf. Syst., 2008)

The Feasibility of E-Ink Readers in Distance Learning: A Field Study. - Guy Janssens; Harry Martin (Int. J. Interact. Mob. Technol., 2009)

Complexity Impact Factors on the Integration Process of ERP and Non ERP Systems - A Basis for an Evaluation Instrument. - Guy Janssens; Marinus Hoeijenbos; Rob J. Kusters (ICSOFT (1), 2011)

An expert-based taxonomy of ERP implementation activities. - Guy Janssens; Linda van Moorst; Rob J. Kusters; Harry Martin (J. Comput. Inf. Syst., 2020)