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.
This guideline about learning and teaching approaches includes a section about the card technique.
TIPPELT, R. and AMORÓS, A. (2003): Innovative and participative learning-teaching approaches within a project based training framework. Beiträge aus der Praxis der beruflichen Bildung Nº3. Mannheim (Germany): Internationale Weiterbildung und Entwicklung GmbH (InWent). [Accessed: 16.05.2011]