Ikram, Amir, Qin Su, and Muhammad Asif Sadiq. “Technical Efficiency And Its Determinants: An Empirical Study Of Surgical Instruments Cluster Of Pakistan”. Journal of Applied Business Research (JABR) 32, no. 2 (March 1, 2016): 647–660. Accessed May 19, 2022. https://clutejournals.com/index.php/JABR/article/view/9601.