Thi Kim Quyen, Nguyen, and Huynh Bao Tuan. “Classification of Service Quality Attributes Using Kano’s Model: The Case at the Outpatient Department of Trung Vuong Hospital”. VNUHCM Journal of Economics, Business and Law 3, no. SI (December 31, 2019): SI54-SI64. Accessed April 7, 2026. https://ebl.vnuhcmjournal.com.vn/index.php/ebl/article/view/611.