Káposzta, J., K. Kollár, and L. Péli. “The Examination of Major Economic Coherences in the Hungarian Least-Developed Micro-Regions”. Review on Agriculture and Rural Development, vol. 1, no. 1. suppl., Jan. 2012, pp. 309-13, https://ojs.bibl.u-szeged.hu/index.php/rard/article/view/13224.