Mezouri، E.، و Soufyane، B. (2021). Impact of COVID-19 Pandemic and the Oil Price Shock on Economic Policy Uncertainty in US and Russia. مجلة الباحث، مج21, ع1 ، 31 - 42. مسترجع من http://search.mandumah.com/Record/1219722
Mezouri، Ettayib، و Bouguetaia Soufyane. "Impact of COVID-19 Pandemic and the Oil Price Shock On Economic Policy Uncertainty in US and Russia." مجلة الباحث مج21, ع1 (2021): 31 - 42. مسترجع من http://search.mandumah.com/Record/1219722