Lee, Chee Loong, Riayati Ahmad, Zulkefly Abdul Karim, and Norlin Khalid. “Institutional Quality, Income Level, and Debt Sustainability: New Evidence Using Dynamic Panel Threshold Regression”. Technological and Economic Development of Economy 29, no. 5 (September 19, 2023): 1520–1538. Accessed February 21, 2024. https://journals.vilniustech.lt/index.php/TEDE/article/view/19247.