International Potato Center, 'International Potato Center (CIP): Audited Financial Statements and Complementary Information as of December 31, 2008 and 2007', International Potato Center, Lima, Peru, 2009
Wilkes A. 2020. CLIFF-GRADS Science Collaboration Series 2020 - Special Session: Livestock MRV, 16 September 2020. Wageningen, The Netherlands: Global Research Alliance on Agricultural Greenhouse Gases (GRA) & CGIAR Research Program on Climate Change Agriculture and Food Security (CCAFS).