for the socio-economic development in the rural areas of Rwanda

- ISBN: 978-613-8-44431-2

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Understanding the evolution of major earthquake sequences

- ISBN: 978-613-1-51014-4

- ISBN: 978-620-2-28375-5

in Large Networks

- ISBN: 978-620-2-27061-8

theoretical (Density functional theory) and experimental study

- ISBN: 978-3-8416-6105-0

- ISBN: 978-3-8417-8977-8

- ISBN: 978-3-330-87213-4

The life of someone can encompass many facets according to his resources, his personality, his social environment

- ISBN: 978-613-8-46669-7

- ISBN: 978-613-8-48285-7