The correlation between productivity and cropping systems in west africa : the case of the pensa hydro-agricultural perimeter in Burkina FasoNikiema Wendkouni Ousmane, Yaméogo Joseph, Yanogo Pawendkisgou IsidoreExtreme heat in Koudougou, Burkina Faso: Analysing trends, community perceptions and migration measuresBoureima Yo, Joseph Yameogo, Korotimi Sanou , Pawendkisgou Isidore YanogoTrends and Temporal of Rainfall Erosion due Variability Rainfall in Nakambè WatershedJoseph Yaméogo, Songanaba Rouamba , Suzanne Koala, Richard ZongoSocio-Economic Inequalities and Implications for Drinking Water Supply Strategies in the Undeveloped Areas of the Town of KoudougouNadège Compaore, Tewendé Antoine Marie Sawadogo, Joseph Yameogo |