- ISBN: 978-620-2-30805-2

Case Studies of Nigeria, Sudan and Central African Republic

- ISBN: 978-620-2-30615-7

Micro-catchment water harvesting, gross irrigation water requirement, deficit irrigation, a specific scheduling, surface runoff

- ISBN: 978-620-2-30737-6

- ISBN: 978-620-2-31278-3

- ISBN: 978-613-8-83197-6

- ISBN: 978-3-639-51154-3

- ISBN: 978-3-659-84509-3

The Igbo People and the Nuba People

- ISBN: 978-613-8-94690-8

An Exploratory Study

- ISBN: 978-613-8-94737-0

- ISBN: 978-613-8-95028-8