Analysis of information sources in references of the Wikipedia article "美元" in Chinese language version.
The official currency of Timor-Leste is the United States dollar, which is legal tender for all payments made in cash.
The dollar is legal tender
The US dollar became El Salvador's currency in 2001
The official currency of Timor-Leste is the United States dollar, which is legal tender for all payments made in cash.
The dollar is legal tender
The US dollar became El Salvador's currency in 2001