T. Rubiyanti, W. Hidayat, I. G. Febryano, and S. Bakri, “Karakterisasi Pelet Kayu Karet (Hevea brasiliensis) Hasil Torefaksi dengan Menggunakan Reaktor Counter-Flow Multi Baffle (COMB) (Characterization of Rubberwood (Hevea brasiliensis) Pellets Torrefied with Counter-Flow Multi Baffle (COMB) Reactor)”, J. Sylva Lestari, vol. 7, no. 3, pp. 321–331, Sep. 2019.