“ANALYSIS ON THE SUSTAINABILITY OF EXTERNAL DEBT AND THE FINANCIAL VULNERABILITY OF THE TURKISH ECONOMY: 1989-2019 ”, Üçüncü Sektör Sosyal Ekonomi Dergisi, vol. 55, no. 3, pp. 1837–1862, Sep. 2020, doi: 10.15659/3.sektor-sosyal-ekonomi.20.08.1407.