This web article contains a thorough list of references regarding environmental scanning, as well as concepts and theories developed in the last decades. It also contains an interesting analysis of the external environment of Higher Education, which could be used for those planning starting up a business in the training sector of water and sanitation.
MORRISON, J.L. (1992): Environmental scanning. In: WHITELY, M.A. ; PORTER, J.D. ; FENSKE, R.H. (1992): A primer for new institutional researchers. Tallahassee, Florida: 86-99. URL [Accessed: 22.08.2012]