Ghouri, . A. M. ., . F. . Saleem, and A. . Malik. “Business Owners’ Preferences in Marketing Practices and Their Impact on Firm Performance”. International Journal of Economics, Business and Management Studies, vol. 1, no. 1, Apr. 2012, pp. 30-35, https://onlinesciencepublishing.com/index.php/ijebms/article/view/278.