KAO, C. K.; KUNG, B. R.; HSIEH, W. I. Application of Grey Relational Analysis to Determine Key Factors for Performance Measurement of Taiwan High Speed Rail Service Quality. Asian Journal of Business and Management, [S. l.], v. 5, n. 1, 2017. Disponível em: https://ajouronline.com/index.php/AJBM/article/view/4460. Acesso em: 26 sep. 2022.