TARČA, Alexander - BLAŠČÁK, Pavel. Trends in Outsourcing IT. In Trends in application of statistical methods for quality improvement VII. (2017). International scientific conference. Trends in application of statistical methods for quality improvement VII. (2017) : reviewed proceedings of posts and abstracts from an 7. international scientific conference : 3.3.2017, Sosnowiec, Poland. - Košice : Katedra kvantitatívnych metód PHF EU : Katedra informačnej a jazykovej komunikácie PHF EU, 2017. ISBN 978-83-65682-60-4, s. 159 CD-ROM.