1. Outotec Financial Statements (2018)
https://www.outotec.com/globalassets/company/investors/2018/outotec-financial-statements-2018.pdf
2. Scaled Agile Framework (SAFe)
https://en.wikipedia.org/wiki/Scaled_agile_framework
3. Stark J (2016) Product lifecycle management (volume 1): 21st century paradigm for product realisation. Springer, New York. ISBN 978-3319174396
4. Stark J (2016) Product lifecycle management (volume 2): the devil is in the details. Springer, New York. ISBN 978-3319244341
5. Stark J (2018) Product lifecycle management (volume 3): the executive summary. Springer, New York. ISBN 978-3319722351