Prukwarun, Wuttichai, Wasan Khumchoo, Waraporn Seancotr, and Sarawut Phupaichitkun. 2013. “CFD Simulation of Fixed Bed Dryer by Using Porous Media Concepts: Unpeeled Longan Case”. International Journal of Agricultural and Biological Engineering 6 (1):100-110. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/677.