SYEDA BUSHRA, SAMINA KHALIL, and SYED AMMAD ALI. “MEASURING UNDESIRABLE OUTPUT IN EFFICIENCY EVALUATION: THE CASE OF TANNERIES IN PAKISTAN”. PalArch’s Journal of Archaeology of Egypt / Egyptology 18, no. 10 (August 23, 2021): 392-413. Accessed December 7, 2022. https://www.archives.palarch.nl/index.php/jae/article/view/9784.