DZIUBA, Szymon - JAROSSOVÁ, Malgorzata Agnieszka - KONIECZNA, Agata. Improving the Quality of Services Offered by the Catering and Hotel Company, on the Basis of Customer's Opinion Survey. In Food production improvement. - Celje : Faculty of Logistics, University of Maribor, 2014. ISBN 978-961-6562-95-9, pp. 33-52 [1 AH]. VEGA 1/0635/14. 1/0635/14, VEGA, Stav a perspektívy rozvoja trhu biopotravín, tradičných a regionálnych potravín na Slovensku.