Camargo, K. G., F. C. Ferrari, and S. C. Fabbri. “Characterising the State of the Practice in Software Testing through a TMMi-Based Process”. Journal of Software Engineering Research and Development, vol. 3, May 2015, pp. 7:1 - 7:24, https://journals-sol.sbc.org.br/index.php/jserd/article/view/415.