Zhang, Huiyu, Jolita Vveinhardt, Jianhua Xiao, and Domicián Máté. “Fiscal Space and Government Debt Sustainability: Empirical Analysis Based on Chinese  National Debt”. Transformations In Business & Economics 25, no. 2 (68) (July 1, 2026): 415–439. Accessed July 2, 2026. https://www.journals.vu.lt/TIBE/article/view/45910.