00403nam a2200085Ia 4500008004100000245014700041260000900188300009700197650002300294180130s9999    xx            000 0 und d  cSilvius, A.J. Gilbert; Schipper, Ron P.J.aSustainability in project management competencies: analyzing the competence gap of project managers  c2015  aBook title: Strategic planning for project management--Acession number C20548; pages 223-248  aPROJECT MANAGEMENT