163. Sectoral coverage and prices of carbon pricing mechanisms introduced since 1990 Bookmark Format Single study
164. Senegal, Mali, and Sierra Leone Oral Rehydration Therapy Geospatial Estimates 2000-2018 Bookmark Format Single study
166. Sierra Leone - High Frequency Cell Phone Survey on the Socio-Economic Impacts of Ebola 2014-2015 Bookmark Format Single study
169. SIPRI's databases (Stockholm International Peace Research Institute) Bookmark Format Data archive or collection