Peker, Ayşe Esra, and Merve Nur Çak. “Testing the Middle Income Trap for Upper Middle Income Countries by Fourier Cointegration”. JOURNAL OF LIFE ECONOMICS 9, no. 2 (May 19, 2022): 97–107. Accessed November 23, 2024. https://journals.gen.tr/index.php/jlecon/article/view/1715.