GANDHY, Abel; HARIANTO; NURMALINA, Rita; SUHARNO. 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 dan Agribisnis, [S. l.], v. 19, n. 1, p. 139, 2022. DOI: 10.17358/jma.19.1.139. Disponível em: https://journal.ipb.ac.id/jmagr/article/view/40165. Acesso em: 24 dec. 2025.