Sarawut Rungmekarat และผู้แต่งคนอื่นๆ. (2021) The Effects of Sulfur, Calcium, Boron and Zinc on Leaf Characteristics and Fresh Fruit Bunch Yield of Oil Palm (Surat Thani 2 Var.) in Acid Sulfate Soil. <i>Science & Technology Asia</i>, <i>26</i>(3), 196-208.Sarawut Rungmekarat และผู้แต่งคนอื่นๆ. "The Effects of Sulfur, Calcium, Boron and Zinc on Leaf Characteristics and Fresh Fruit Bunch Yield of Oil Palm (Surat Thani 2 Var.) in Acid Sulfate Soil". Science & Technology Asia 26 (2021):196-208.Sarawut Rungmekarat และผู้แต่งคนอื่นๆ. The Effects of Sulfur, Calcium, Boron and Zinc on Leaf Characteristics and Fresh Fruit Bunch Yield of Oil Palm (Surat Thani 2 Var.) in Acid Sulfate Soil. กองบริหารการวิจัย:ม.ป.ท. 2021.