Zeddam, Ahmed Amine, Mohamed Driouche Dahmani, and Abdelatif Hamrit. “Informal Sector and International Capital Movement: New Evidence from Some Petroleum Countries”. Economics and Business 35 (May 28, 2021): 117–132. Accessed November 5, 2024. https://eb-journals.rtu.lv/eb/article/view/eb-2021-0008.