Module 1 Galaffase, S., Nizzetto, L. & Volta, P. (2019). Plastic sources: A survey accross scientific and grey literature for their inventory and relative contribution to microplastics pollution in natural environments, with an emphasis on surface water. Science of the Total Environment, Elsevier, 693, 13349. Module 3 Parmenter, D. (2015). Key Performance Indicators: Developing, Implementing, and Using Winnings KPIs. Wiley.