Hamdoun, Mohamed, and Mahmoud Zouaoui. “Impact of Environmental Management on Competitive Advantage of Tunisian Companies: The Mediator Role of Organizational Culture”. International Review of Management and Marketing, vol. 7, no. 2, Mar. 2017, pp. 76-82, https://mail.econjournals.com/index.php/irmm/article/view/3815.