REFERENCES
- The American Heritage Dictionary of the English Language, Fifth edition. 2014. Boston, MA: Houghton Mifflin Harcourt Publishing. http://ahdictionary.com/word/search.html?q=economic&submit.x=59&submit.y=23 (last accessed 26 April 2014).
- Clegg, A. 1969. Geography-ing or doing geography. An inductive approach to teaching geography. Journal of Geography 68 (5): 274–280.
- Heffron, S. G., and R. M. Downs (Eds.). 2012. Geography for life: National geography standards, Second edition. Washington, DC: National Council for Geographic Education.
- Hunkins, F. P. 1970. The role of the question in elementary school geography. Journal of Geography 69 (1): 45–48.
- Roberts, M. 2003. Learning through enquiry: Making sense of geography in the keystage 3 classroom. Sheffield, UK: Geographical Association.
- Roberts, M. 2013. Geography through enquiry: Approaches to teaching and learning in the secondary school. Sheffield, UK: Geographical Association.
- United Kingdom, Department for Education. 2013. Statutory guidance. National curriculum in England: Geography programmes of study. https://www.gov.uk/government/publications/national-curriculum-in-england-geography-programmes-of-study/national-curriculum-in-england-geography-programmes-of-study (last accessed 1 May 2014).