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Đồng Đồng bằng sông Cửu Long Đồng Nai Đồng Tháp Đồng tính luyến ái Đồng bằng sông Hồng Đồng (đơn vị tiền tệ) Đồng Khánh Đồng Hới Đồng HỷTài liệu tham khảo
WikiPedia: Đồng nickel http://www.npi.gov.au/database/substance-info/prof... http://www.npi.gov.au/database/substance-info/prof... http://www.chinatoday.com.cn/English/e20026/sunzi1... http://www.coppernickel.org/ http://www.cda.org.uk/megab2/corr_rs/corrhom.htm https://archive.is/20120527042518/www.chinatoday.c... https://web.archive.org/web/20060820043848/http://... https://web.archive.org/web/20080302034606/http://... https://web.archive.org/web/20090614050056/http://...