Todou, G., M. Hassan, A. Ze, D. Kombo, S. Machewere, and T. Vroumsia. “Diversity of Used Plant Species for Producing Charcoal and Its Trade-off in Far-North Region, Cameroon”. International Journal of Environment, vol. 6, no. 2, May 2017, pp. 19-29, doi:10.3126/ije.v6i2.17359.