1.
Maslovskaya O, Chang G, Howe S, Aizpurua E, Perelli-Harris B. Effectiveness of Using Quick Response (QR) Codes in Survey Invitation Letters: Experiment Conducted in Generations and Gender Survey in the UK. SRM. 2026;20(3):359-367. doi:10.18148/srm/2026.v20i3.8522