VASILEV, Aleksander.
 Decomposing the Grey Economy in Bulgaria: A General-Equilibrium Analysis.
<strong>Journal of Mathematical Economics and Finance</strong>, [S.l.], v. 8, n. 2, p. 7 - 23, dec. 2022.
ISSN 2458-0813.
Available at: &lt;<a href="https://journals.aserspublishing.eu/jmef/article/view/7595" target="_new">https://journals.aserspublishing.eu/jmef/article/view/7595</a>&gt;. Date accessed: 27 apr. 2024.
doi: <a href="https://doi.org/10.14505/jmef.v8.2(15).01">https://doi.org/10.14505/jmef.v8.2(15).01</a>.