RICHTEROVÁ, Eva - RICHTER, Martin - SOJKOVÁ, Zlata. EU regions competitive efficiency and the key competitiveness. In Agrarian perspectives XXX. 1. vyd. 324 s. ISSN 2464-4781 (online). ISBN 978-80-213-3129-7. Agrarian perspectives, s. 229-239. Dostupné na internete:<https://ap.pef.czu.cz/en/r-12193-conference-proceedings>