VASILEV, Aleksandar.
 AGGREGATION WITH A NON-CONVEX LABOUR SUPPLY DECISION, UNOBSERVABLE EFFORT, AND RECIPROCITY (“GIFT EXCHANGE”) IN LABOR RELATIONS.
<strong>Theoretical and Practical Research in Economic Fields</strong>, [S.l.], v. 9, n. 1, p. 45-48, june 2018.
ISSN 2068-7710.
Available at: &lt;<a href="https://journals.aserspublishing.eu/tpref/article/view/2234" target="_new">https://journals.aserspublishing.eu/tpref/article/view/2234</a>&gt;. Date accessed: 26 apr. 2024.
doi: <a href="https://doi.org/10.14505/tpref.v9.1(17).05">https://doi.org/10.14505/tpref.v9.1(17).05</a>.