1. T.P. CMMI, 2013. CMMI®for services, Version 1.3. Technical Report CMMI Institute-2013-TR-001. http://cmmiinstitute.com/getattachment/adec972f-5500-42b7-81cc-6c748a13e74d/attachment.aspx.
2. C.P. Team, CMMI for Service, Version 1.3, CMMI-SVC v1.3., CMU/SEI-2010-TR-034, 2010. http://resources.sei.cmu.edu/library/asset-view.cfmassetid=9665.
3. Maturity models and the suitability of its application in small and medium enterprises;Pérez-Mergarejo;Ingr. Ind.,2014
4. The process audit;Hammer;Harv. Bus. Rev.,2007
5. Review of maturity models in performance measurement;Bertolli;INGE CUC,2017