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”. Science & Technology Development Journal: Economics- Law & Management 3, no. SI (December 31, 2019): SI54-SI64. Accessed December 11, 2024. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/611.