Caroline, A. T., M. Yannick, E. N. E. Marthe Aime, N. C. Gabriel, and N. D. Sinclair. “Periurbanisation Et Transport Artisanal a Yaounde (Cameroun)”. European Scientific Journal, ESJ, Vol. 17, no. 16, May 2021, p. 40, doi:10.19044/esj.2021.v17n16p40.