Wichlinski, Martin, and Rajendra Rajaram. “The Use of RONA/WACC As a Proxy for Investment Quality”. Journal of Economics and Behavioral Studies 10, no. 6A(J) (January 16, 2019): 177-185. Accessed April 25, 2024. https://ojs.amhinternational.com/index.php/jebs/article/view/2673.