Saeed, A., R. S. Afgun Usmani, H. Akram, S. M. Saqlain, and A. Ghani. “The Impact of Capability Maturity Model Integration on Return on Investment in IT Industry: An Exploratory Case Study”. Engineering, Technology & Applied Science Research, vol. 7, no. 6, Dec. 2017, pp. 2189-93, doi:10.48084/etasr.1291.