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Agusta H, Muhamad Rafiansyah Siregar V, Siswanto S. Application Of Urea Coated By Humic Acid and Nitrogen Inhibitor On Pre Nursery Phase Oil Palm (Elaeis guineensis Jacq.) Seedling. J. Penelitian Kelapa Sawit [Internet]. 2024Aug.13 [cited 2024Oct.4];32(2):95-110. Available from: http://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/281