Sevilai, R. ., J. . Varith, P. . Kanchanawong, J. Pimpimol, and S. Aroonsrimorakot. “Factors Influencing Adoption of Vertical Forced-Air Sulfur Dioxide Fumigation Technology of Fresh Longan Exporters in Thailand”. Interdisciplinary Research Review, vol. 15, no. 4, Sept. 2020, pp. 22-27, https://ph02.tci-thaijo.org/index.php/jtir/article/view/240489.