| Johnston, K., 2017. Is the Darknet a haven for rhino horn traffickers?. The Horn (Save the Rhino International) 2017: 26
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| Johnston, K., 2017. How do you teach children to love black rhinos?. The Horn (Save the Rhino International) 2017: 16-17
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| Johnston, K., 2017. Fake news & alternative facts in rhino conservation. The Horn (Save the Rhino International) 2017: 13
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| Johnston, K. , 2017. Update on the rhino dog squad appeal. The Horn (Save the Rhino International) 2017: 6
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| Johnston, K., 2016. Zimbabwe: helping Zimbabwe's rhinos & humans live side by side. The Horn (Save the Rhino International) Autumn 2016: 20-21
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| Johnston, K., 2016. Rhino orphanages: to fund or not to fund?. The Horn (Save the Rhino International) Autumn 2016: 10-11
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