1. Trends in development of human resource information systems and their economical return
:ČEPELOVÁ, Anna - CZIKK, Peter. Trends in development of human resource information systems and their economical return. In Teoretické aspekty prierezových ekonomík III : Košice, 31.10.2005. - Košice : Royal Unicorn, 2005. ISBN 80-969181-4-1, s. 53-58.