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2. M. Wheatly, “ERP is needed to sustain the gains of lean programs,“ Manufacturing Business Technology, pp. 30–32, 2007.
3. Lean ERP -How ERP Systems and Lean Management Fit Together;Adam,2013
4. Lean Enterprise Systems-using IT for Continuius Improvement;Bell,2006
5. Lean And IT-working together? AnExploratory Study of the Potential Conflicts between Lean Thinking and the Use of Information Technology in Organisations Today;Maguire,2016