Business Retention and ExpansionMichael Darger, Alan Barefield, Brent D. Hales · First published 2019 · Latest edition 2020Open the Tome
Supplier Relationship ManagementStephen Easton, Michael D. Hales, Christian Schuh, Michael F. Strohmer, Alenka Triplat, AT Kearney · First published 2014Open the Tome
