Social Engineering Penetration TestingGavin Watson, Mason, Andrew, Richard Ackroyd · First published 2014Open the Tome
New Managerialism and Public Service ProfessionsIan Kirkpatrick, Stephen Ackroyd, Walker, Richard · First published 2004Open the Tome
Buying and Renewing Canadian Group Insurance PlansRichard Ackroyd · First published 1995Open the Tome
