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1. Available on the Internet: http://www.aqi.tnuni.sk/fileadmin/dokumenty/Nastroje_a_metody/Index%20spokojnosti%20zakaznikov.pdfSearch in Google Scholar
2. Available on the Internet: http://www.ceotools.com/software/476039.pdfSearch in Google Scholar
3. Available on the Internet: http://dugi-doc.udg.edu/bitstream/10256/278/1/n4.pdfSearch in Google Scholar
5. Available on the Internet: http://www.nmmanagement.com/userdata/Image/MediaMartel/Business_Express_Satisfying_customers_SJ_short_version.pdfSearch in Google Scholar
7. Available on the Internet: http://www.transport.nsw.gov.au/sites/default/files/b2b/publications/customer-satisfaction-index-2014.pdfSearch in Google Scholar