KUBEŠ, M. Quality advantage or the art of seeing things in their entirety. In Business performance = Podniky a podnikanie : the slovak business journal = Časopis o podnikaní na Slovensku. - Bratislava : Brigette Buchet, 1998. ISSN 1335-2369, 1998, vol. 3, no. 4, p. 12-21.