Christwardana, M., and I. Miftahushudury. “Evaluation of Drying Air Conditions for Antiozonant Wax Drying Process in the Spray Drying Tower”. ASEAN Journal of Chemical Engineering, Vol. 21, no. 2, Dec. 2021, pp. 201-10, https://journal.ugm.ac.id/v3/AJChE/article/view/9198.