Pare, M. M. N., Kone, D., Kengne, I. M., Akoa, A., (2011). African Journal of Environmental Science and Technology 5(8), 622-632. Academic Journals, Nairobi, Kenya. English language
Kengne, I. M., Kengne, E. S., Akoa, A., Bemmo, N., Dodane, P. H., Koné, D., (2011). Journal of Water, Sanitation and Hygiene for Development 1(1), 13-19. IWA Publishing, London, UK. English language
Kengne, I. M., Brissaud, F., Akoa, A., Eteme, R. A., Nya, J., Ndikefor, A., Fonkou, T., (2003). Ecological Engineering 21(1), 53-61. Elsevier Science Ltd, Oxford, UK. English language