Le, Ankhien, Le Xuan Hai, V. N. Sharifi, and J Swithenbank. “System Approach from Biomass Combustion in Packed Bed Reactor”. ASEAN Journal of Chemical Engineering 7, no. 1 (December 31, 2007): 16-29. Accessed November 24, 2024. https://journal.ugm.ac.id/v3/AJChE/article/view/7672.