Neglected user perspectives in the design of an online hospital bed-state system: implications for the National Programme for IT in the NHS. - Nick Harrop; Trevor Wood-Harper; Alan Gillies (Health Informatics J., 2006)

'Actors' and 'clients': why systems dynamics needs help from soft systems methodology and unbounded systems thinking. - Nick Harrop; Alan Gillies; A. T. Wood-Harper (J. Oper. Res. Soc., 2012)