PURNASARI, L. H.; SIREGAR, H.; MAULANA, T. N. A. Impacts of Indonesia Raw Minerals Export Ban on Abnormal Return and Trading Volume: An Event Study on Stocks of Metals and Minerals Mining Subsector in IDX. Asian Journal of Business and Management, [S. l.], v. 3, n. 6, 2015. Disponível em: https://ajouronline.com/index.php/AJBM/article/view/3304. Acesso em: 19 may. 2022.