Fears and Triggers: A Conceptual Study of Vendor-Supplied Maintenance and Maintenance Deferral of Standard Package Software. - Christopher Savage; Karlheinz Kautz; Rodney J. Clarke (ACIS, 2015)

A Conceptual Investigation of Maintenance Deferral and Implementation: Foundation for a Maintenance Lifecycle Model. - Christopher Savage; Karlheinz Kautz; Rodney J. Clarke (ISD, 2016)