Nasution, A. P. ., Wibowo, E. A. ., Ramdani, R. ., & Rofiqah, T. . (2021). Urgensity of Environmental Management System Implementation on Oil Palm Plantation Management Policies in North Sumatera. Journal of Social Transformation and Regional Development, 3(1), 1-6. https://publisher.uthm.edu.my/ojs/index.php/jstard/article/view/8872