Amro, Abdallah, et al. “Is Net Promoter Score (NPS) Just a Myth? Exploring the Reality Through an Automotive Aftersales Case Study”. International Journal on Management Education and Emerging Technology(IJMEET), vol. 3, no. 1, Mar. 2025, pp. 22-34, https://www.ijmeet.org/index.php/journal/article/view/47.