RAMDAN, F. The Impact of Coal, Nickel, and Crude Oil Prices on the Composite Stock Price Index 2020-2023. Journal of Management, Economic, and Financial , [S. l.], v. 2, n. 5, p. 186–192, 2024. DOI: 10.46799/jmef.v2i5.57. Disponível em: https://jmef.polteksci.ac.id/index.php/jmef/article/view/57. Acesso em: 22 dec. 2024.