- ISBN: 978-3-659-76981-8

- ISBN: 978-3-659-75960-4

Path Loss Measurement and Simulation

- ISBN: 978-620-5-48738-9

An Empirical Study on Institutions of Higher Learning in Ghana

- ISBN: 978-3-659-12457-0

Learning without teachers, an exploration of world in unsupervised data

- ISBN: 978-3-659-80515-8

The student, an active partner in his own learning process

- ISBN: 978-3-330-02507-3

- ISBN: 978-3-659-25448-2

- ISBN: 978-3-659-40654-6

Theoretical foundations of business risks management Mechanisms of reducing business risks

- ISBN: 978-3-659-49189-4

Factors Affecting the Financing of Telecommunication Service Companies in Kenya

- ISBN: 978-613-9-95772-9