Szlávik, János, et al. “Summary of the Economy Workgroup of the KÉP Project about the Aims of the Research Conducted by the Workgroup and the Results of the Pilot Project (Kis-Balaton Subregion) Designed to Test the workgroup’s Recommendations”. TÁJÖKOLÓGIAI LAPOK, vol. 6, nº 1-2, agosto de 2008, p. 95-105, https://doi.org/10.56617/tl.4151.