Rubiyanti, T., 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)”. Jurnal Sylva Lestari, vol. 7, no. 3, Sept. 2019, pp. 321-3, doi:10.23960/jsl37321-331.