(Cameroun, Littoral)

- ISBN: 978-620-6-73495-6

The expansion of civilization beyond the limits of our home planet is the moral issue of our time

- ISBN: 978-613-8-40716-4

Ras Shamra - Ougarit, Syrie.

- ISBN: 978-613-9-53303-9

fish and game

- ISBN: 978-613-1-50246-0

Psychologycal influence of architecture

- ISBN: 978-3-639-62116-7

- ISBN: 978-3-639-62065-8

Biochemical, Astrobiological and Genetic Studies & Analysis

- ISBN: 978-620-2-26556-0

- ISBN: 978-3-8416-1458-2

The path between eye and spirit

- ISBN: 978-613-1-58926-3

- ISBN: 978-3-8416-6333-7