Stehr, Christopher, and Benjamin E. Jakob. “Corporate Social Responsibility through Voluntary Commitment in Small and Medium Sized Enterprises – the Case of the ‘Heilbronn Declaration’”. European Journal of Sustainable Development 3, no. 4 (October 22, 2014): 135. Accessed November 22, 2024. https://ojs.ecsdev.org/index.php/ejsd/article/view/184.