PERWIRA, Abi Revyansah. A Gravity Equation for Indonesian Cocoa High Value-Added Products to Selected Middle-East Countries. Jurnal Akuntansi, Manajemen dan Ekonomi, [S.l.], v. 25, n. 1, p. 29-38, mar. 2023. ISSN 2620-8482. Available at: <https://jos.unsoed.ac.id/index.php/jame/article/view/7844>. Date accessed: 14 mar. 2025. doi: https://doi.org/10.32424/1.jame.2023.25.1.7844.