Robiyanto, Robiyanto, Sugeng Wahyudi, and Irene Rini Demi Pangestuti. “The Volatility–Variability Hypotheses Testing and Hedging Effectiveness of Precious Metals for the Indonesian and Malaysian Capital Markets”. Gadjah Mada International Journal of Business 19, no. 2 (August 23, 2017): 167-192. Accessed August 17, 2024. https://jurnal.ugm.ac.id/v3/gamaijb/article/view/15591.