Volume & Issue: Volume 29, Issue 6 - Serial Number 118, January and February 2019, Pages 1-138 

Research Paper

Analyzing Productivity Indices for Urban Water and Wastewater Companies

Pages 1-14

10.22093/wwj.2017.87689.2416

Seyedhosein Sajadifar; Mashoud Khashaei; Gholamreza Ebrahimabadi; Mohammad Davoodabadi