Ban, Olimpia-Iuliana, Ioan Tara, Victoria Bogdan, Delia Tuşe, and Simona Bologa. “Evaluation of Hotel Quality Attribute Importance through Fuzzy Correlation Coefficient”. Technological and Economic Development of Economy 22, no. 4 (June 27, 2016): 471-492. Accessed October 21, 2019. https://journals.vgtu.lt/index.php/TEDE/article/view/734.