Halim, A., A. A. Widyanti, C. D. Wahyudi, F. Martak, dan E. L. Septiani. A Pilot Plant Study of Coal Dryer: Simulation and Experiment. Vol. 22, no. 1, Juni 2022, hlm. 124-40, https://jurnal.ugm.ac.id/v3/AJChE/article/view/9233.