D. Majstorovic, M.N. Durakbasa: "The TQM Journal"; The TQM Journal, 1 (2016), Vol. 28 Iss: 5.
http://dx.doi.org/10.1108/TQM-05-2016-0046
http://www.emeraldinsight.com/doi/full/10.1108/TQM-05-2016-0046