Tran, O. T. K. and Chu, T. T. T. (2024) “Threshold impact of shadow economy on sustainable development in high and low-financial development countries”, Ho Chi Minh City Open University Journal of Science - Economics and Business Administration, 14(3), pp. 109–128. doi: 10.46223/HCMCOUJS.econ.en.14.3.2899.2024.