"study number","owner","title","investigators","doi","time period"
"22209","ICPSR","Afrobarometer Round 3: The Quality of Democracy and Governance in Nigeria, 2005","Chukwuma, Innocent; Akinremi, Taofeeq; Bratton, Michael; Gyimah-Boadi, E.; Mattes, Robert","http://dx.doi.org/10.3886/ICPSR22209.v1","2005"
"34009","ICPSR","Afrobarometer Round 4: The Quality of Democracy and Governance in Nigeria, 2008","Akinremi, Taofeeq; Adewumi, Gbenga; Olusegun, Olaniyan; Olusola, Moses; Liasu, Idris; Segun, Ajiga; Chukwuma, Innocent; Omotosho, Shola; Gyimah-Boadi, E. ; Logan, Carolyn; Bratton, Michael; Mattes, Robert ","http://dx.doi.org/10.3886/ICPSR34009.v1","2008"