Reference keyword: conflict minerals

Young, S. B., Achebe, J. ., Na, Y. ., & Bayekula, J.-O. N. (2015). Mapping tantalum provenance, production and flows. Unknown. Presented at the. Surrey, UK. Retrieved from https://www.researchgate.net/publication/280233343_Mapping_tantalum_provenance_production_and_flows
Mancheri, N. A., Sprecher, B. ., Deetman, S. ., Young, S. B., Bleischwitz, R. ., Dong, L. ., Kleijn, R. e, & Tukker, A. . (2018). Resilience in the tantalum supply chain. Resources, Conservation and Recycling, 129. https://doi.org/10.1016/j.resconrec.2017.10.018