ROZKOŠOVÁ, Anna - MEGYESIOVÁ, Silvia. Comparison of Labour Productivity in Hungary and Poland in Selected Section of Economy. In Quality and leading innovation. International scientific conference. Quality and leading innovation III. : proceedings from the international scientific conference : 25. - 27. september 2017, Košice (SK), Uzhgorod (UA). - Košice : University of Economics, Faculty of Business Economics with seat in Košice, 2017. ISBN 978-617-589-144-5, pp. 24-29 CD-ROM. I-17-105-00.