Epstein, M. J. (2014). Measuring and improving social impacts: A guide for nonprofits, companies, and impact investors. Sheffield: Greenleaf Publishing.
Styl ChicagoEpstein, Marc J. Measuring and Improving Social Impacts: A Guide for Nonprofits, Companies, and Impact Investors. Sheffield: Greenleaf Publishing, 2014.
Citace podle MLAEpstein, Marc J. Measuring and Improving Social Impacts: A Guide for Nonprofits, Companies, and Impact Investors. Sheffield: Greenleaf Publishing, 2014.
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