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Booker, Anthony, Johnston, Deborah and Heinrich, Michael (2016) 'The Welfare Effects of Trade in Phytomedicines: A Multi-Disciplinary Analysis of Turmeric Production.' World Development, 77. pp. 221-230.
Booker, Anthony, Johnston, Deborah and Heinrich, Michael (2012) 'Value chains of herbal medicines—Research needs and key challenges in the context of ethnopharmacology.' Journal of Ethnopharmacology, 140 (3). pp. 624-633.