Foreign Railway News, Volume 14, Issue 45. Washington, D.C., United States: U.S. Department of Commerce, Bureau of Foreign & Domestic Commerce. November 1938. p. 2.
"Désengorger le port de Matadi" [Relieving congestion in the port of Matadi]. Radio Okapi (in French). Kinshasa, Democratic Republic of the Congo. 20 July 2005. Retrieved 21 August 2024.
"Kinshasa: grève à l'Onatra" [Kinshasa: strike at Onatra]. Radio Okapi (in French). Kinshasa, Democratic Republic of the Congo. 7 January 2006. Retrieved 21 August 2024.
"Echos d'économie du 19 mai 2015" [Economic Echoes of May 19, 2015]. Radio Okapi (in French). Kinshasa, Democratic Republic of the Congo. 19 May 2015. Retrieved 25 August 2024.