Freitas, R., 		Moreira, S., 		Suzuki, C., 		Moreira, L., 		Romeu, P., 		Xavier, R., & 		Leal Jr., P.
(2011).
 Use of SPI and CPI in the statistical monitoring of software development projects.
In <em>Proceedings of the 10th Brazilian Symposium on Software Quality</em>, (pp. 433-440). Porto Alegre: SBC.
doi:10.5753/sbqs.2011.15416