- Access to electricity in Africa: Some orientations. Dr Jean Marc Ndombo
- Part I: Waste management in Africa Integrated sustainable waste management systems in Africa. Dr Jean Marc Ndombo & Dr Augustina Ephraim
- Part II : The waste Treatment Process. Dr Augustina Ephraim & Dr Jean Marc Ndombo
- Part III : The Methanisation Process . Dr Augustina Ephraim & Dr Jean Marc Ndombo
- The NJM method to improve access to drinking water by creating wells,boreholes or using water from rivers in Africa: technical and economic study of water distribution using solar energy. Dr Jean Marc Ndombo (Submitted)
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