Commuication satisfaction of employees in companies in Serbia [elektronický zdroj] / Edit Terek, Milan Nikolić, Zvonko Sajfert, Dragica Ivin .
In: Business management - practice and theory in the 21st century / Manažment podniku - prax a teória 21. storočia [1 CD-ROM (833 s.)]. -- Nitra : Slovak University of Agriculture, 2013. -- ISBN 978-80-552-1026-1. -- S. 608-613
http://www.slpk.sk/eldo/2013/zborniky/032-13/se3/Terek_Nikolic_Sajfert_Ivin.pdf .