1. American Society of Civil Engineering. (2017). Infrastructure Report Card: Drinking Water. Retrieved from https://www.infrastructurereportcard.org/wp-content/uploads/2019/02/Full-2017-Report-Card-FINAL.pdf
2. American Society of Civil Engineering. (2021). Infrastructure Report Card: Drinking Water. Retrieved from https://infrastructurereportcard.org/cat-item/drinking-water/
3. American Water Works Association. (2011). Computer modeling of water distribution systems. American Water Works Association.
4. American Water Works Association. (2019). State of the Water Industry. Retrieved from https://www.awwa.org/Portals/0/AWWA/ETS/Resources/2019_STATE%20OF%20THE%20WATER%20INDUSTRY_post.pdf
5. A Causal Model of Organizational Performance and Change