Facebook; The Organisation for Economic Co-operation and Development (OECD); World Bank, 'Future of Business Survey 2020 (Albania, Algeria, American Samoa...and 176 more)', 2021
Mattias Lundberg, The World Bank; Chris Blattman, Yale University; and Jeannie Annan (IRC) et al., 'Evaluating a Landmine Action ex-combatant Reintegration Program in Liberia 2009 (Liberia)', 2010