Fitriyanto, Arief. “Effect of Leverage, Environmental Performance, and Environmental Disclosure on Economic Performance on Natural Resources Management Industry Companies ”. Agregat: Jurnal Ekonomi dan Bisnis 5, no. 1 (May 11, 2021): 13-37. Accessed January 23, 2022. https://journal.uhamka.ac.id/index.php/agregat/article/view/6932.