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Gaston JEAN | Co-responsable du volet innovation | PhD in environment / ecological sanitation | Université Quisqueya, Port-au-Prince | Vice-rectorat à la recherche et à l'innovation (VIRRI) | Research profile
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Jean Gaston TAMBA | University of Douala, Douala | UDLA | University Institute of Technology | Research profile
![Portrait of Jean Gaston Darboux. Portrait of the French mathematician, Stock Photo, Picture And Rights Managed Image. Pic. MDO-AA094966 | agefotostock Portrait of Jean Gaston Darboux. Portrait of the French mathematician, Stock Photo, Picture And Rights Managed Image. Pic. MDO-AA094966 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/3d1bbb6f32ebd6268c8ba81f1d0ba022/mdo-aa094966.jpg)
Portrait of Jean Gaston Darboux. Portrait of the French mathematician, Stock Photo, Picture And Rights Managed Image. Pic. MDO-AA094966 | agefotostock
![The Grand Duke of Tuscany Gian Gastone de 'Medici (Jean Gaston or Jean- Gaston) (1671-1737) receiving the visit of Cosimo Riccardi (The presentation to Gian Gastone, lying in bed, of the young Cosimo The Grand Duke of Tuscany Gian Gastone de 'Medici (Jean Gaston or Jean- Gaston) (1671-1737) receiving the visit of Cosimo Riccardi (The presentation to Gian Gastone, lying in bed, of the young Cosimo](https://www.meisterdrucke.ie/kunstwerke/1200w/Italian_School_-_The_Grand_Duke_of_Tuscany_Gian_Gastone_de_Medici_(Jean_Gaston_or_Jean-Gaston)_(1_-_(MeisterDrucke-1021572).jpg)