1. Artisanal and small-scale mining and the sustainable development goals: opportunities and new directions for sub-Saharan Africa;Hilson;Geoforum,2020
2. Global trends in Artisanal and SMall-scale Mining (ASM): a review of key numbers and issues;IGF;Winnipeg,2018
3. R. Noetstaller, Small-Scale Mining: A review of the issues, World Bank technical paper number 75, Industry and Finance Series, 1987.
4. Gold in Ghana: The effects of changes in large-scale mining on artisanal and small-scale mining (ASM);Yankson;Extr. Ind. Soc.,2019
5. Artisanal and small-scale mining in Nigeria: experiences from Niger, Nasarawa and Plateau states;Oramah;Extr. Ind. Soc.,2015