Bénin

1. Akogbe, Romuald-Kokou T. M. / Feng, Xin / Zhou, Jing (2013): Importance and ranking evaluation of delay factors for development construction projects in Benin. Dans: KSCE Journal of Civil Engineering, v. 17, n. 6 (août 2013), pp. 1213-1222.

   https://doi.org/10.1007/s12205-013-0446-2

2. Morin, David (2003): Natitingou - Porga: 102 km de route neuve au Bénin. Dans: Travaux, n. 795 (mars 2003), pp. 56-60.