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.
The author of this article gives an elaborate summary about how to do group works. He elaborates some definitions of key aspects and suggests areas which are held open for exploration.
SMITH, M.K. (2008): What is group work? . INFED URL [Accessed: 20.12.2010]