Alemu, M. G. (2018). Artisanal small-scale opal mining (ASOM) insecurity in the Delanta wereda, Ethiopia: The shifting landscape of multidimensional insecurity in the face of emergent ASOM wealth. African Security Review, 1-27. Link to Article
An analysis of the commercial potential of Ethiopia’s coloured gemstone industry
World Bank (2016). An analysis of the commercial potential of Ethiopia’s coloured gemstone industry, 135pp. Link to Report
Sapphires from northern Ethiopia
Vertriest, W., Weeramonkhonlert, V., Raynaud, V., & Bruce-Lockhart, S. (2017). Sapphires from northern Ethiopia. Link to Article