Anis Erma Wulandari, Harianto Harianto, Bustanul Arifin, and Heny K Suwarsinah. 2019. “The Impact of Futures Price Volatility to Spot Market : Case of Coffee in Indonesia”. Jurnal Organisasi Dan Manajemen 15 (1):1-15. https://doi.org/10.33830/jom.v15i1.5.2019.