Yousaf, Z., A. Javed, A. . Inayat, and A. . Nawaz. “Does Competitive Environment Predict Firm Innovativeness in Service Industry? Investigating the Role of Strategic Flexibility”. International Journal of Business and Management Sciences, vol. 3, no. 2, June 2022, pp. 19-34, https://ijbms.org/index.php/ijbms/article/view/188.