Arshad, Arif Mohammad, Jie Wang, and Qin Su. “Investigating The Mediating Role Of Service Innovation In Firm Performance: An Empirical Research”. Journal of Applied Business Research (JABR) 32, no. 2 (March 1, 2016): 461-478. Accessed October 23, 2021. https://clutejournals.com/index.php/JABR/article/view/9589.