View Larger Image The Cost-Effectiveness of Inputs in Primary Education: Insights from the Literature and Recent Student Surveys for Sub-Saharan Africa ADEA published this report which is the foundation of our work. By Barbra Bearden|2018-11-15T10:50:30+00:00November 15th, 2018|WhyBooks|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditGoogle+TumblrPinterestVkEmail About the Author: Barbra Bearden Related Posts Closing The Book Gap Gallery Closing The Book Gap Building Momentum Strategy for 2017-2020 Gallery Building Momentum Strategy for 2017-2020 A Global Effort to Improve Literacy Gallery A Global Effort to Improve Literacy http://unesdoc.unesco.org/images/0024/002433/243321E.pdf In some countries, there are as few as one textbook for every 14 children. Illiteracy costs governments and economies 129 billion USD per year. Leave A Comment Cancel reply Comment Save my name, email, and website in this browser for the next time I comment.