Murray C. Simpson

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
In dominant definitions of mental retardation, researchers have insisted on the diagnosis being restricted to conditions manifested during the developmental period. However, even in the 19th century, this was only one of several conceptual options, some of which did not exclude adult brain injury or dementia. Events in the 19th and early 20th centuries,(More)
A key challenge in sustainable tourism is to develop economically viable enterprises that provide livelihood benefits to local communities while protecting indigenous cultures and environments. Such ventures are difficult to assess due to a general lack of effective assessment and monitoring methods, a lack of consensus about methodology and the inability(More)
  • 1