in the Development of the Law of Maritime Delimitation

- ISBN: 978-620-2-28715-9

Descendu du ciel Descended from heaven

- ISBN: 978-620-3-44733-0

- ISBN: 978-613-8-46539-3

- ISBN: 978-613-8-42686-8

An African "Recapture" of Christianity

- ISBN: 978-3-330-86867-0

- ISBN: 978-3-639-50634-1

- ISBN: 978-3-639-56012-1

Experimental study

- ISBN: 978-613-8-45556-1

Reconverting the industrial heritage

- ISBN: 978-620-2-28704-3

of the North West Region of Cameroon, their usages and the means of acquisition

- ISBN: 978-620-2-28148-5