Peters, M. L., and S. . Zelewski. “Benefits and Risks of Satisficing Levels for Input and Output Quantities in Efficiency Analyses from a Corporate Social Responsibility Perspective”. International Journal of Management and Sustainability, vol. 5, no. 12, Dec. 2016, pp. 94-101, doi:10.18488/journal.11/2016.5.12/11.12.94.101.