Mohd Roslan, Nur Fatihah, et al. “Drying Performance of Piper Nigrum in a Swirling Fluidized Bed Dryer: An Experimental Study”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 93, no. 1, Mar. 2022, pp. 148-66, doi:10.37934/arfmts.93.1.148166.