Wonprasaid, Patchara, Wittaya Apai, and Sodchol Wonprasaid. “The Sulfur  Dioxide Residues in Fresh Longan at Different  Periods  after Fumigation  ”. Thai Agricultural Research Journal 27, no. 1 (March 31, 2009): 26. accessed September 29, 2026. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/91673.