Mubarok, A. F., K. Komalawati, and A. Setiadi. “ARCH/GARCH Analysis: Estimating Beef Price Volatility in Indonesia”. Jurnal Ilmiah Manajemen Kesatuan, vol. 12, no. 2, Mar. 2024, pp. 391-8, doi:10.37641/jimkes.v12i2.2455.