Olaru, M., R. Pamfilie, I. C. Pirnea, and T. Keppler. “Integration of Social Responsibility into Performance Evaluation Models by SMEs in Romania”. International Journal of Economic Practices and Theories, vol. 5, no. 3, May 2015, pp. 256-63, http://ijept.eu/index.php/ijept/article/view/Integration_of_Social_Responsibility_into_Performance_Evaluati.