“The Impact of Company Size, Beta, and ESG Ratings on the Efficiency of Palm Oil Companies Listed on the IDX During Crisis Periods”. Jurnal Penelitian Kelapa Sawit 34, no. 1 (May 4, 2026): 57–70. Accessed November 12, 2026. https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/305.