Azya FH, Tarigan SM. Analisa Produktivitas Tanaman Kelapa Sawit di Afdeling IV Kebun Baru PT Perkebunan Nusantara IV Regional VI. RRJ [Internet]. 2026Jun.12 [cited 2026Jun.12];8(4):2143-54. Available from: https://jurnal.ranahresearch.com/index.php/R2J/article/view/2151