BOĎA, Martin - MENDELOVÁ, Viera. Application of six sigma ideas to timing decisions at financial markets. In 17th AMSE Applications of mathematics and statistics in economics : 17th international scientific conference, conference proceedings, Poland 27-31 August 2014. 1. vyd. - Wrocław : Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu, 2014. ISBN 978-83-7695-421-9, pp. 36-45.