Juma Wickama

Vegetation Resilience under Increasing Drought Conditions in Northern Tanzania

Geert Sterk, Steye L. Verhoeve, Tamara Keijzer, 2021, Remote. Sens..

The effectiveness of soil conservation measures at a landscape scale in the West Usambara highlands, Tanzania

Geert Sterk, Juma Wickama, G. Sterk, 2015 .