Mathara Arachchi, S., S. Choy Chong, and A. Madhushani. “Quality Assurance and Quality Control in ERP Systems Implementation”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 11, no. 1, Feb. 2015, pp. 70-83, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/587.