Principles of Islamic AccountingNabil Baydoun, Maliah Sulaiman, Shahul Ibrahim, Roger J. Willett · First published 2018Open the Tome
Definitions, Concepts and Scope of Engineering Asset ManagementJoe E. Amadi-Echendu, Kerry Brown, Roger Willett, Joseph Mathew · First published 2010Open the Tome
Expect the unexpected (or you won't find it) : a creativity tool based on the ancient wisdom of HeraclitusRoger Von Oech, George Willett · First published 2002Open the Tome
Accounting in the Asia-Pacific regionNabil Baydoun, Akira Nishimura, Roger Willett · First published 1997Open the Tome