University of Ouagadougou. Institut Supérieur des Sciences de la Population (ISSP)(Institut Supérieur des Sciences de la Population (ISSP), University of Ouagadougou, 2014)
Kenya Meteorological Department (KMD); Kenya Agricultural Research Institute (KARI); International Crops Research Institute for Semi-arid Tropics (ICRISAT); University of Nairobi (UoN); Ministry of Agriculture. Agricultural Ex-tension Department(2009)