1. R. Burke, M. Adam, L. Stephen, H. Marty, S. Brenna, The smart factory Responsive, adaptive, connected manufacturing, Deloitte Univeristy Press. (2017).
2. R. Geissbauer, S. Schrauf, P. Berttram, F. Cheraghi, Digital Factories 2020, PricewaterhouseCoopers GmbH. (2017) 48. https://www.pwc.de/de/digitale-transformation/digital-factories-2020-shaping-the-future-of-manufacturing.pdf.
3. K. Butner, D. Lubowe, The Digital overhaul - Rethinkin manufacturing in the digital age, (2015). https://doi.org/10.4324/9780203935651.