Tissot, A., 		Emer, M., & 		Bastos, L.
(2015).
 Tool for Teaching Software Estimation with Planning Poker.
In <em>Proceedings of the 26th Brazilian Symposium on Computers in Education</em>, (pp. 259-268). Porto Alegre: SBC.
doi:10.5753/cbie.sbie.2015.259