MIZLA, Martin - PUDŁO, Patrycja - PEŠÁKOVÁ, Petra. Several Aspects of Innovations in Regions of Eastern Slovakia. Recenzovali: Andrzej Piotr Wiatrak, Maria Mora. In Innovativeness and competitiveness of modern enterprises and regions - sources, mechanisms, indications. - Rzeszów : Universytet Rzeszowski, 2009. ISBN 83-917781-9-3, s. 110-119.