Chang, Y. Y., Abd Wahid, S. A., Sim, C. C. Nitrogen and potassium fertiliser requirement optimisation for high-density planting in Oil palm (Elaeis guineensis) under Coastal environment of Peninsula Malaysia. Int. J. Agric. Tech. [internet]. 2022 Sep. 15 [cited 2025 Dec. 4];18(5):1937-48. available from: https://li04.tci-thaijo.org/index.php/IJAT/article/view/8621