The following publications are possibly variants of this publication:
- Scale elasticity and returns to scale in the presence of alternative solutionsMajid Soleimani-Damaneh, Gholam Reza Jahanshahloo, S. Mehrabian, M. Hasannasab. jcam, 233(2):127-136, 2009. [doi]
- Returns to scale and scale elasticity in the presence of weight restrictions and alternative solutionsMajid Soleimani-Damaneh, Gholam Reza Jahanshahloo, S. Mehrabian, M. Hasannasab. kbs, 23(2):86-93, 2010. [doi]