The State of the Art

- ISBN: 978-620-8-43417-5

When Clients, Instead of Service Providers, Take the Lead

- ISBN: 978-3-659-74151-7

- ISBN: 978-620-8-11908-9

- ISBN: 978-620-8-06592-8

Happiness at work

- ISBN: 978-620-8-41983-7

An examination of public perceptions to native languages in eduction today

- ISBN: 978-3-8443-3409-8

Reimagining Work, Trade, and Sustainability

- ISBN: 978-620-8-44275-0

an econometric approach

- ISBN: 978-620-9-14934-4

- ISBN: 978-613-8-26840-6

Second Edition

- ISBN: 978-620-9-17527-5