[1]
E. K. Dłubakowska-Puzio, M. Karpuk, and K. Puzio, “Analysis of Tourism Service Quality in Kołobrzeg Region by Means of Time Series Models”, CER, vol. 15, no. 4, pp. 31–44, Mar. 2013, doi: 10.2478/v10103-012-0024-8.