VASILEV, Aleksandar.
 Straight-Time and Overtime: A Sequential-Lottery Approach.
<strong>Theoretical and Practical Research in Economic Fields</strong>, [S.l.], v. 7, n. 1, p. 81-84, june 2016.
ISSN 2068-7710.
Available at: &lt;<a href="https://journals.aserspublishing.eu/tpref/article/view/1257" target="_new">https://journals.aserspublishing.eu/tpref/article/view/1257</a>&gt;. Date accessed: 25 apr. 2024.
doi: <a href="https://doi.org/10.14505/tpref.v7.1(13).06">https://doi.org/10.14505/tpref.v7.1(13).06</a>.