Alfatwa DA, Roosmawati F, Ningsih T, Widjajanto A. Analisis Harga Pokok Produksi Kelapa Sawit di Afdeling I Kebun Bangun PT Perkebunan Nusantara IV Regional I. RRJ [Internet]. 2026Jul.9 [cited 2026Jul.10];8(4):2629-34. Available from: https://jurnal.ranahresearch.com/index.php/R2J/article/view/2200