Heavy metal accumulation and health risk assessment in wastewater-irrigated urban vegetable farming sites of Addis Ababa, Ethiopia

by Desta Woldetsadik, Pay Drechsel, Bernard Keraita, Fisseha Itanna, Heluf Gebrekidan
Published 2017-05-01

The latrine ownership ladder

by Peter Appiah, Obeng, Bernard, Keraita, Sampson, Oduro-Kwarteng, Henrik, Bregnhøj, Robert C., Abaidoo, Flemming, Konradsen
Published 2015