Thực đơn
Nickel (tiền xu Hoa Kỳ) Chú thíchThực đơn
Nickel (tiền xu Hoa Kỳ) Chú thíchLiên quan
Nickel Nickel(II) sulfat Nickel tetracarbonyl Nickel (tiền xu Hoa Kỳ) Nickel(II) hydroxide Nickel(II) chloride Nickel(II) nitrat Nickel(II) carbonat Nickel(II) bromide NickelodeonTài liệu tham khảo
WikiPedia: Nickel (tiền xu Hoa Kỳ) http://news.coinupdate.com/cost-to-make-penny-and-... https://www.history.com/news/the-hidden-history-of... https://www.wsj.com/articles/its-time-to-abolish-t... https://www.brookings.edu/opinions/lets-drop-penni... https://www.congress.gov/bill/111th-congress/house... https://www.ecfr.gov/current/title-31/subtitle-B/c... https://www.federalregister.gov/documents/2007/04/... https://www.usmint.gov/coins/coin-medal-programs/c... https://www.usmint.gov/learn/coin-and-medal-progra... https://www.usmint.gov/learn/kids/about-the-mint/n...