Kadarwati, S., Annisa, R.N. , Apriliani, E., Kurniawan, C. and Kusuma, S.B.W. 2022. The Catalytic Activity of TCA-Modified Indonesian Natural Zeolite During the Esterification of Sengon Wood Bio-Oil. Trends in Sciences. 20, 2 (Dec. 2022), 3632. DOI:https://doi.org/10.48048/tis.2023.3632.