Ayyildiz Unnu, N. A., and J. Kesken. “Diagnosing the Effects of Leader-Member Exchange Quality on Performance in the Context of Organizational Culture: A Case from Turkish Family-Owned Businesses”. Journal of Business Economics and Management, vol. 15, no. 1, Mar. 2014, pp. 174-95, doi:10.3846/16111699.2011.653983.