POSCH, L.; BLEIER, A.; FLĂ–CK, F.; LECHNER, C. M.; KINDER-KURLANDA, K.; HELIC, D.; STROHMAIER, M. Characterizing the Global Crowd Workforce: A Cross-Country Comparison of Crowdworker Demographics. Human Computation, v. 9, n. 1, 3 Aug. 2022.