1.
Tsachev T, Vassileva I. Fiscal policy options for reducing informality in an economy with fiscal rules. Serdica Math. J. [Internet]. 2023 Nov. 20 [cited 2026 Oct. 26];49(1–3):205–230. Available from: https://serdica.math.bas.bg/index.php/serdica/article/view/42