Možuchová, LuciaObermajerová, Denisa2020-06-022020-06-0220161336-8281http://drepo.uniza.sk/handle/hdluniza/96This paper focuses on the critical criteria to quality (CTQ) of DHL Express Slovakia services, which have to improve the quality of DHL services. Based on the primary research facts about the quality of Domestic service, which customers apperceive, were assembled. The aim of paper is to propose the practical application of CTQ method in terms of postal operator DHL Express.skhttp://creativecommons.org/licenses/by/4.0/qualitycritical to qualitypostal operatorCTQ treeWorking Paperhttps://doi.org/10.26552/pte.C.2016.1.5