Chile Nzeh, I., I. B. Uzoechina, U. V. Okoli, and C. P. Imoagwu. “Economic Performance in the Arab Maghreb Union (AMU): A Focus on the Contributions of Economic Openness and Institutional Quality”. International Journal of Economics, Business, and Entrepreneurship, Vol. 6, no. 2, Dec. 2023, pp. 153-69, doi:10.23960/ijebe.v6i2.265.