References

Dyer, M., 2004. The Essential Guide to Geocaching: Tracking Treasure with your GPS. Fulcrum Publishing, Colarado, USA., ISBN:1-55591-522-1, Pages: 149.

Marcoux, 2008. Geocaching: Teacher Libarian. Scarecrow Press, Lanham, Maryland,.

Miller, R.K., K.D. Washington and R.K. Miller, 2007. The 2008 Leisure Market Research Handbook. Miller and Associates, Rockville, Maryland, ISBN:9781577831204, Pages: 261.

Peters, J.W., 2004. The Complete Idiots Guide to Geocaching. Penguin Group, New York, USA., ISBN:9781592572359, Pages: 316.

Schlatter, B.E. and A.R. Hurd, 2005. Geocaching: 21st-century hide-and-seek. J. Phys. Educ. Recreation Dance, 76: 28-32.
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South Africa, 2011. National tourism sector strategy. National Department of Tourism, October 22, 2012.

Tourism, 2011. Domestic Tourism Growth Strategy. Minister Foreword Publisher, Michigan, USA.,.