Klopotan, I., Vrhovec-Žohar, K., & Mahič, E. (2015). Relationship between Customers’ Loyalty and Income: Preliminary Research. ENTRENOVA - ENTerprise REsearch InNOVAtion, 1(1), 65–70. Retrieved from https://hrcak.srce.hr/ojs/index.php/entrenova/article/view/14386