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This fact sheet from the Australian Government lists the impact of feral camels, a map of the area where they are prevalent, the cost and the control management plan. (2010)
Australian Government: action plan. Although a lengthy document, it is well laid out with a table of contents and relevant headings to locate relevant information.
Australian Government: Dept of Environment and Energy article explaining the management and background to the program surrounding the control of the starfish on the Great Barrier Reef.