1. Factors of the local development of border areas of Podkarpacie
:SMOLEŇ, Marek. Factors of the local development of border areas of Podkarpacie. In Acta oeconomica Cassoviensia no 10. - Košice : Podnikovohospodárska fakulta EU so sídlom v Košiciach, 2006. ISBN 80-225-2200-7, s. 70-81.