Analysis of information sources in references of the Wikipedia article "Chiến tranh giá dầu Nga–Ả Rập Xê Út 2020" in Vietnamese language version.
the action in the thinly traded May contract not necessarily an accurate reflection of supply and demand fundamentals
|1= (trợ giúp)the action in the thinly traded May contract not necessarily an accurate reflection of supply and demand fundamentals