GandhyA., Harianto, NurmalinaR. and Suharno 2022. The Efficiency of The Spot Market And Crude Palm Oil (CPO) Commodity Futures Market Before and During The Covid-19 Pandemic in Indonesia. Jurnal Manajemen & Agribisnis. 19, 1 (Mar. 2022), 139. DOI:https://doi.org/10.17358/jma.19.1.139.