ISBN 9781609949778 books & textbook
Measuring and Improving Social Impacts: A Guide for Nonprofits, Companies, and Impact Investors
Epstein, Marc J. Yuthas, Kristi
Berrett-Koehler Publishers /2014-03-17 Hardcover / 272 Pages
isbn-10: 1609949773 / isbn-13: 9781609949778