- ISBN: 978-620-2-31218-9

- ISBN: 978-613-8-84087-9

- ISBN: 978-620-5-52077-2

in Public Institutions in Rwanda

- ISBN: 978-613-8-93152-2

- ISBN: 978-613-8-92840-9

Personal journeys towards liberty

- ISBN: 978-3-639-71371-8

Finding the emission characteristics of S.I. Engine with a blend of C.N.G & Petrol

- ISBN: 978-613-8-91654-3

Futuristic Insights and Approaches

- ISBN: 978-620-2-31407-7

Environmental Health Impact Assessment (EHIA) Process & Strategic Crisis and Environmental Assessment (SCEA) Process

- ISBN: 978-613-8-95389-0

- ISBN: 978-3-639-86382-6