Naroditskiy, V., Stein, S., Tonin, M., Tran-Thanh, L., Vlassopoulos, M., & Jennings, N. (2014). Referral Incentives in Crowdfunding. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, 2(1), 171-183. https://doi.org/10.1609/hcomp.v2i1.13147