Jaekhom, Srima, Kittisak Witinantakit, and Eakpoom Boonthum. 2021. “Kaffir Lime Leaves Drying Using Far Infrared-Vacuum Technique”. Srinakharinwirot University Engineering Journal 16 (1). Bangkok, Thailand:59-70. https://ph02.tci-thaijo.org/index.php/sej/article/view/242484.