1.
Feskens R, Hox J, Schmeets H, Wetzels W. Incentives and ethnic Minorities: Results of a controlled randomized Experiment in the Netherlands. SRM [Internet]. 2008Dec.19 [cited 2019Sep.21];2(3):159-65. Available from: https://ojs.ub.uni-konstanz.de/srm/article/view/71