Mavletova, Aigul, and Mick P. Couper. “Sensitive Topics in PC Web and Mobile Web Surveys: Is There a Difference?”. Survey Research Methods 7, no. 3 (November 22, 2013): 191–205. Accessed January 22, 2025. https://ojs.ub.uni-konstanz.de/srm/article/view/5458.