Wongbubpa, Nuttapong, and Tawit Chitsomboon. 2022. “The Study of Paddy Drying in Zig Zag Pipe Spouted Bed Dryer”. Srinakharinwirot University Engineering Journal 17 (1). Bangkok, Thailand:53-63. https://ph02.tci-thaijo.org/index.php/sej/article/view/243529.