Mukhlis, A. M. A., and N. . Fadhilah. “Mathematical Modelling of Drying Characteristics of White Pepper in Spouted Bed Dryer With Microwave Preheating Treatment”. Jurnal Agritechno, vol. 14, no. 1, Apr. 2021, pp. 8-17, doi:10.20956/at.v14i1.412.