This webpage explains three common return on investment (ROI) methods used to express the return you are getting on an investment: Payback Period, the Net Present Value (NPV) and the Internal Rate of Return (IRR).
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Explore Perspectives
What is a perspective?
Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
