| Bewick, K.D., 2012. Security manual for game reserves and provincial nature reserves carrying rhino populations. Johannesburg, Anti –Poaching Intelligence Group Southern Africa, pp. 1-33
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| Bewick, K.D., 2012. History and background to our operations, rhino protection and tracking organized crime syndicates. Johannesburg, Anti –Poaching Intelligence Group Southern Africa, pp. 1-24
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