Yilanci, Veli, Uğur Ursavaş, and Tamer Güven. “Towards Sustainable Development: Revisiting the Middle-Income Trap Hypothesis for the Southern Common Market Countries”. Problemy Ekorozwoju 18, no. 2 (July 7, 2023): 111–120. Accessed July 22, 2024. https://ph.pollub.pl/index.php/preko/article/view/3949.