| Greenfield, S.; Verissimo, D., 2018. To what extent is social marketing used in demand reduction campaigns for illegal wildlife products? Insights from elephant ivory and rhino horn. Social Marketing Quarterly 25 (1): 40-54
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| Greenfield, S.; Verissimo, D., 2018. To what extent is social marketing used in demand reduction campaigns for illegal wildlife products? Insights from elephant ivory and rhino horn. Social Marketing Quarterly 25 (1): 40-54
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