BANGA, Charu.
Forecasting Volatility in Copper Prices Using Linear and Non-Linear Models.
<strong>International Journal of System Modeling and Simulation</strong>, [S.l.], v. 2, n. 1, p. 22-26, mar. 2017.
ISSN 2518-0959.
Available at: &lt;<a href="https://mail.researchplusjournal.com/index.php/IJSMS/article/view/264" target="_new">https://mail.researchplusjournal.com/index.php/IJSMS/article/view/264</a>&gt;. Date accessed: 25 sep. 2026.
doi: <a href="http://dx.doi.org/10.24178/ijsms.2017.2.1.22">http://dx.doi.org/10.24178/ijsms.2017.2.1.22</a>.