The interaction between end user computing and task characteristics: an exploratory study. - Robert M. Barker (SIGCPR, 1992)

End user computing levels, job motivation and user perceptions of computing outcomes: a field investigation. - Robert M. Barker; Andrew L. Wright (SIGCPR, 1997)

Requirements Fulfillment: A Missing Link between Requirements Determination and User Acceptance. - Stephan F. Gohmann; Jian Guan; Robert M. Barker; David J. Faulds (Inf. Syst. Manag., 2013)