Ofurum, Clifford Obiyo, Iwunna, Stella Adaremmy, and Nmehielle, Collins O. “Environmental Cost Disclosure and Financial Performance of Listed Oil and Gas Firms in Nigeria”. International Journal on Economics, Finance and Sustainable Development 4, no. 7 (July 20, 2022): 10-21. Accessed May 10, 2024. https://journals.researchparks.org/index.php/IJEFSD/article/view/3355.