Young, A. O. “Specialization Versus Diversification As Alternative Strategies for Sustainable Growth in Resource-Rich Developing Countries. Case of Nigeria”. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, Vol. 32, no. 3, July 2022, pp. 1-47, https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/725.