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

- ISBN: 978-613-8-44582-1

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

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

- ISBN: 978-613-8-48609-1

Understanding the evolution of major earthquake sequences

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

- ISBN: 978-613-8-48811-8

- ISBN: 978-613-8-42808-4

- ISBN: 978-613-8-45658-2

- ISBN: 978-613-8-40539-9

Second Edition

- ISBN: 978-3-639-54213-4