Jacox LA, Bocklage C, Edwards T, Mihas P, Lin FC, Ko CC. Understanding technology adoption by orthodontists: a quantitative study. Am J Orthod Dentofacial Orthop. 2022 Mar;161(3):364-74. doi: 10.1016/j.ajodo.2020.08.024
Phanikumar CV, Maitra B. Willingness-to-pay and preference heterogeneity for rural bus attributes. J Transp Eng A-Syst. 2007 Jan;133(1).