Othman, N., Yusop, Z., Ismail, M. M., & Afandi, S. H. M. (2021). Energy Tax and the Downstream Palm Oil Trade Competitiveness Nexus in Malaysia: An Application of GMM Approach. International Journal of Energy Economics and Policy, 11(5), 593–599. Retrieved from https://mail.econjournals.com/index.php/ijeep/article/view/11558