DUFEK, Jaroslav. Development of regional unemployment characteristics in the Czech Republic. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2003. ISSN 0139-570X, 2003, vol. 49, no. 12, s. 571-577. Available on Internet: <http://www.agriculturejournals.cz/publicFiles/59495.pdf>