Montague، Dena (2002). "Stolen Goods: Coltan and Conflict in the Democratic Republic of Congo". Johns Hopkins University Press. ج. 22 ع. 1: 103–118. DOI:10.1353/sais.2002.0016. ISSN:0036-0775.
Montague، Dena (2002). "Stolen Goods: Coltan and Conflict in the Democratic Republic of Congo". Johns Hopkins University Press. ج. 22 ع. 1: 103–118. DOI:10.1353/sais.2002.0016. ISSN:0036-0775.