المؤلفون: Kana, Romain, Sonne, Norbert, Ondua, Barthelemy, Tadjo, Patrick, Ondo, Benjamin

المصدر: Afrika Focus ; volume 28, issue 2 ; ISSN 2031-356X 0772-084X

الاتاحة: http://dx.doi.org/10.21825/af.v28i2.4865
https://ojs.ugent.be/AF/article/download/4865/4798

المؤلفون: Tieguhong, Julius Chupezi, SONNE, Norbert, Durrel Halleson NZENE

الاتاحة: https://dx.doi.org/10.13140/rg.2.1.1564.4881
http://rgdoi.net/10.13140/RG.2.1.1564.4881