Septriana, D., M. M. Azis, and J. Wintoko. “Catalytic Decarboxylation of Palm Oil to Green Diesel over Pellets of Ni-CaO/Activated Carbon (AC) Catalyst Under Subcritical Water”. ASEAN Journal of Chemical Engineering, Vol. 23, no. 2, Aug. 2023, pp. 128-41, https://dev.journal.ugm.ac.id/v3/AJChE/article/view/9752.