Shodiq, Wahid Muhammad. “Comparison of Oil Palm Plantation Companies Based on Financial Performance for the 2015-2019 Period”. Jurnal Sosial Ekonomi Pertanian 17, no. 1 (March 15, 2021): 1-18. Accessed April 19, 2024. https://journal.unhas.ac.id/index.php/jsep/article/view/11930.