Communication éditée, 2012
Pan Afr Med J, Rang 8, 2012
Journal of Mathematical Sciences-Advances and Applications , Mathematical Reviews and MathSciNet databases of the American Mathematical Society and also in Zentralblatt fur Mathematik of the European Mathematical Society (EMS)., Rang 1, 29-45, 2012
Power and Landscape in Atlantic West Africa: Archaeological Perspectives, J.C. Monroe and A. Ogundiran, Anglais, Rang 1, 49-77, 2012
INTERNATIONAL JOURNAL OF GEOPHYSICS (ONLINE), Hindawi Publishing Corporation, Anglais, Rang 3, 1-13, 2012
Congrès international avec acte, 2012
Congrès national avec acte, 2012
Journal of Mathematical Sciences-Advances and Applications , Mathematical Reviews and MathSciNet databases of the American Mathematical Society and also in Zentralblatt fur Mathematik of the European Mathematical Society (EMS)., Rang 2, 29-45, 2012
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry (University of Bacau), University of Bacau, Alma Mater Publishing House (Editeur en Chef: Adriana FÎNARU, “Vasile Alecsandri” University of Bacău, Romania Founding Editor, Anglais, Rang 2, ( 271-275), 2012
European Journal of Inorganic Chemistry (abrégé en Eur. J. Inorg. Chem.) , European Journal of Inorganic Chemistry (abrégé en Eur. J. Inorg. Chem.) , Anglais, Rang 3, pp 2731-2740, 2012