Sathapornprasath, K., and C. Nimmol. “Influences of far-infrared radiation on the energy efficiency of stepwise jet spouted bed drying system”. Asia-Pacific Journal of Science and Technology, vol. 18, no. 2, Apr. 2017, pp. 325-43, https://so01.tci-thaijo.org/index.php/APST/article/view/82852.