Impact of the degree of a company's success on the importance of the criteria for selecting a new product. - Milan Nikolic; Zvonko Sajfert; Milivoj Klarin (Oper. Res., 2007)

The elements of customer satisfaction model in Serbian conditions. - Dragan Cockalo; Dejan Djordjevic; Zvonko Sajfert; Vesna K. Spasojevic Brkic; Milan Nikolic (Int. J. Serv. Technol. Manag., 2012)