Portela, M., & Thanassoulis, E. (2011). Zero weights and non-zero slacks: Different solutions to the same problem.
Chicago Style (17th ed.) CitationPortela, Maria, and Emmanuel Thanassoulis. Zero Weights and Non-zero Slacks: Different Solutions to the Same Problem. 2011.
MLA (8th ed.) CitationPortela, Maria, and Emmanuel Thanassoulis. Zero Weights and Non-zero Slacks: Different Solutions to the Same Problem. 2011.
Warning: These citations may not always be 100% accurate.