Sep 23 2021 Maxime Agbo and Agnès Zabsonré   Colonial and socio-economic history and HIV prevalence in sub-Saharan Africa: a multi-level model analysis   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jun 11 2016 Johanna Choumert , N. Eric Kéré and Amandine Loyal Laré-Dondarini   A Multi-Level Housing Hedonic Analysis of Water and Sanitation Access   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result