Donovan J,Blare T 2018 Evaluation of UTZ certification coffee businesses in Guatemala, Honduras and Nicaragua http://www.worldagroforestry.org/downloads/Publications/PDFS/WP18028.pdf, http://dx.doi.org/10.5716/WP18028.PDF
Scott G J,Donovan J A, Higuchi A 2015 Costs, quality, and competition in the cocoa value chain in Peru: An exploratory assessment http://www.custoseagronegocioonline.com.br/numero4v11/14%20cocoa.pdf
Donovan J A,Donovan J, Poole N 2014 Partnerships in Fairtrade coffee: a close-up look at how buyers and NGOs build supply capacity in Nicaragua http://www.developmentbookshelf.com/doi/pdf/10.3362/2046-1887.2014.004
Poole N,Donovan J A 2014 Building cooperative capacity: the specialty coffee sector in Nicaragua http://www.emeraldinsight.com/doi/pdfplus/10.1108/JADEE-01-2013-0002
Donovan J A,Cunha M, Franzel S, Gyau A, Mithofer D 2013 Value chains and trade: guides for value chain development - a comparative review http://www.worldagroforestry.org/downloads/publications/PDFs/RP17599.PDF